Revert "Add PowerShell exception handling and turn on strict mode."

lib/ansible/module_utils/powershell.ps1

@@ -26,8 +26,6 @@
 # USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 
-Set-StrictMode -Version Latest
-
 # Ansible v2 will insert the module arguments below as a string containing
 # JSON; assign them to an environment variable and redefine $args so existing
 # modules will continue to work.
@@ -49,14 +47,7 @@ Function Set-Attr($obj, $name, $value)
         $obj = New-Object psobject
     }
 
-    Try
-    {
-        $obj.$name = $value
-    }
-    Catch
-    {
-        $obj | Add-Member -Force -MemberType NoteProperty -Name $name -Value $value
-    }
+    $obj | Add-Member -Force -MemberType NoteProperty -Name $name -Value $value
 }
 
 # Helper function to convert a powershell object to JSON to echo it, exiting
@@ -87,7 +78,7 @@ Function Fail-Json($obj, $message = $null)
         $obj = New-Object psobject
     }
     # If the first args is undefined or not an object, make it an object
-    ElseIf (-not $obj -or -not $obj.GetType -or $obj.GetType().Name -ne "PSCustomObject")
+    ElseIf (-not $obj.GetType -or $obj.GetType().Name -ne "PSCustomObject")
     {
         $obj = New-Object psobject
     }
@@ -103,32 +94,24 @@ Function Fail-Json($obj, $message = $null)
 # slightly more pythonic
 # Example: $attr = Get-Attr $response "code" -default "1"
 #Note that if you use the failifempty option, you do need to specify resultobject as well.
-Function Get-Attr($obj, $name, $default = $null, $resultobj, $failifempty=$false, $emptyattributefailmessage)
+Function Get-Attr($obj, $name, $default = $null,$resultobj, $failifempty=$false, $emptyattributefailmessage)
 {
-    # Check if the provided Member $name exists in $obj and return it or the default. 
-    Try
+    # Check if the provided Member $name exists in $obj and return it or the
+    # default
+    If ($obj.$name.GetType)
     {
-        If (-not $obj.$name.GetType)
-        {
-            throw
-        }
         $obj.$name
     }
-    Catch
+    Elseif($failifempty -eq $false)
     {
-        If ($failifempty -eq $false)
-        {
-            $default
-        }
-        Else
-        {
-            If (!$emptyattributefailmessage)
-            {
-                $emptyattributefailmessage = "Missing required argument: $name"
-            }
-            Fail-Json -obj $resultobj -message $emptyattributefailmessage
-        }
+        $default
     }
+    else
+    {
+        if (!$emptyattributefailmessage) {$emptyattributefailmessage = "Missing required argument: $name"}
+        Fail-Json -obj $resultobj -message $emptyattributefailmessage
+    }
+    return
 }
 
 # Helper filter/pipeline function to convert a value to boolean following current