doc: fixes the the repetitions (#43937)

Wow, this does not seem to be an uncommon misspelling. Might be there
are some left that span over two lines. I noticed the one in the git
module and then used `grep -rw 'the the'` to find some more.

docs/docsite/rst/scenario_guides/guide_gce.rst

@@ -24,7 +24,7 @@ and make them automatically available in your Ansible inventory.
 You may see a collection of other GCP modules that do not conform to this
 naming convention. These are the original modules primarily developed by the
 Ansible community. You will find some overlapping functionality such as with
-the the "gce" module and the new "gcp_compute_instance" module. Either can be
+the "gce" module and the new "gcp_compute_instance" module. Either can be
 used, but you may experience issues trying to use them together.
 
 While the community GCP modules are not going away, Google is investing effort

docs/docsite/rst/user_guide/windows_dsc.rst

@@ -60,7 +60,7 @@ The ``win_dsc`` module takes in a free-form of options so that it changes
 according to the resource it is managing. A list of built in resources can be
 found at `resources <https://docs.microsoft.com/en-us/powershell/dsc/resources>`_.
 
-Using the the `Registry <https://docs.microsoft.com/en-us/powershell/dsc/registryresource>`_
+Using the `Registry <https://docs.microsoft.com/en-us/powershell/dsc/registryresource>`_
 resource as an example, this is the DSC definition as documented by Microsoft::
 
     Registry [string] #ResourceName