Update BackendService docs to reflect being GLB only (#237)

Signed-off-by: Modular Magician <magic-modules@google.com>

plugins/modules/gcp_compute_backend_service_facts.py

@@ -85,7 +85,6 @@ resources:
           - Specifies the balancing mode for this backend.
           - For global HTTP(S) or TCP/SSL load balancing, the default is UTILIZATION.
             Valid values are UTILIZATION, RATE (for HTTP(S)) and CONNECTION (for TCP/SSL).
-          - This cannot be used for internal load balancing.
           returned: success
           type: str
         capacityScaler:
@@ -96,7 +95,6 @@ resources:
             configured capacity (depending on balancingMode). A setting of 0 means
             the group is completely drained, offering 0% of its available Capacity.
             Valid range is [0.0,1.0].
-          - This cannot be used for internal load balancing.
           returned: success
           type: str
         description:
@@ -119,9 +117,6 @@ resources:
             Group backends.
           - Note that you must specify an Instance Group or Network Endpoint Group
             resource using the fully-qualified URL, rather than a partial URL.
-          - When the BackendService has load balancing scheme INTERNAL, the instance
-            group must be within the same region as the BackendService. Network Endpoint
-            Groups are not supported for INTERNAL load balancing scheme.
           returned: success
           type: str
         maxConnections:
@@ -130,7 +125,6 @@ resources:
             with either CONNECTION or UTILIZATION balancing modes.
           - For CONNECTION mode, either maxConnections or maxConnectionsPerInstance
             must be set.
-          - This cannot be used for internal load balancing.
           returned: success
           type: int
         maxConnectionsPerInstance:
@@ -140,7 +134,6 @@ resources:
             used in either CONNECTION or UTILIZATION balancing modes.
           - For CONNECTION mode, either maxConnections or maxConnectionsPerInstance
             must be set.
-          - This cannot be used for internal load balancing.
           returned: success
           type: int
         maxRate:
@@ -149,7 +142,6 @@ resources:
           - Can be used with either RATE or UTILIZATION balancing modes, but required
             if RATE mode. For RATE mode, either maxRate or maxRatePerInstance must
             be set.
-          - This cannot be used for internal load balancing.
           returned: success
           type: int
         maxRatePerInstance:
@@ -158,14 +150,12 @@ resources:
             This is used to calculate the capacity of the group. Can be used in either
             balancing mode. For RATE mode, either maxRate or maxRatePerInstance must
             be set.
-          - This cannot be used for internal load balancing.
           returned: success
           type: str
         maxUtilization:
           description:
           - Used when balancingMode is UTILIZATION. This ratio defines the CPU utilization
             target for the group. The default is 0.8. Valid range is [0.0, 1.0].
-          - This cannot be used for internal load balancing.
           returned: success
           type: str
     cdnPolicy:
@@ -256,7 +246,6 @@ resources:
     enableCDN:
       description:
       - If true, enable Cloud CDN for this BackendService.
-      - When the load balancing scheme is INTERNAL, this field is not used.
       returned: success
       type: bool
     healthChecks:
@@ -264,8 +253,6 @@ resources:
       - The list of URLs to the HttpHealthCheck or HttpsHealthCheck resource for health
         checking this BackendService. Currently at most one health check can be specified,
         and a health check is required.
-      - For internal load balancing, a URL to a HealthCheck resource must be specified
-        instead.
       returned: success
       type: list
     id:
@@ -303,7 +290,8 @@ resources:
       description:
       - Indicates whether the backend service will be used with internal or external
         load balancing. A backend service created for one type of load balancing cannot
-        be used with the other. One of `INTERNAL` or `EXTERNAL`. Defaults to `EXTERNAL`.
+        be used with the other. Must be `EXTERNAL` for a global backend service. Defaults
+        to `EXTERNAL`.
       returned: success
       type: str
     name:
@@ -320,15 +308,12 @@ resources:
       description:
       - Name of backend port. The same name should appear in the instance groups referenced
         by this service. Required when the load balancing scheme is EXTERNAL.
-      - When the load balancing scheme is INTERNAL, this field is not used.
       returned: success
       type: str
     protocol:
       description:
       - The protocol this BackendService uses to communicate with backends.
       - Possible values are HTTP, HTTPS, TCP, and SSL. The default is HTTP.
-      - For internal load balancing, the possible values are TCP and UDP, and the
-        default is TCP.
       returned: success
       type: str
     securityPolicy:
@@ -340,8 +325,6 @@ resources:
       description:
       - Type of session affinity to use. The default is NONE.
       - When the load balancing scheme is EXTERNAL, can be NONE, CLIENT_IP, or GENERATED_COOKIE.
-      - When the load balancing scheme is INTERNAL, can be NONE, CLIENT_IP, CLIENT_IP_PROTO,
-        or CLIENT_IP_PORT_PROTO.
       - When the protocol is UDP, this field is not used.
       returned: success
       type: str