chore: Update discovery artifacts (#1412)

## Deleted keys were detected in the following pre-stable discovery artifacts:
managedidentities v1alpha1 https://github.com/googleapis/google-api-python-client/commit/0927c1989574ae4272e4f753f4d55c88af62d8f2
managedidentities v1beta1 https://github.com/googleapis/google-api-python-client/commit/0927c1989574ae4272e4f753f4d55c88af62d8f2

## Discovery Artifact Change Summary:
feat(managedidentities): update the api https://github.com/googleapis/google-api-python-client/commit/0927c1989574ae4272e4f753f4d55c88af62d8f2
diff --git a/docs/dyn/compute_v1.licenseCodes.html b/docs/dyn/compute_v1.licenseCodes.html
index 65a4234..2726b1e 100644
--- a/docs/dyn/compute_v1.licenseCodes.html
+++ b/docs/dyn/compute_v1.licenseCodes.html
@@ -78,11 +78,11 @@
   <code><a href="#close">close()</a></code></p>
 <p class="firstline">Close httplib2 connections.</p>
 <p class="toc_element">
-  <code><a href="#get">get(project, licenseCode, x__xgafv=None)</a></code></p>
-<p class="firstline">Return a specified license code. License codes are mirrored across all projects that have permissions to read the License Code. *Caution* This resource is intended for use only by third-party partners who are creating Cloud Marketplace images. </p>
+  <code><a href="#get">get(project, licenseCode)</a></code></p>
+<p class="firstline">Return a specified license code. License codes are mirrored across all projects that have permissions to read the License Code.  Caution This resource is intended for use only by third-party partners who are creating Cloud Marketplace images.</p>
 <p class="toc_element">
-  <code><a href="#testIamPermissions">testIamPermissions(project, resource, body=None, x__xgafv=None)</a></code></p>
-<p class="firstline">Returns permissions that a caller has on the specified resource. *Caution* This resource is intended for use only by third-party partners who are creating Cloud Marketplace images. </p>
+  <code><a href="#testIamPermissions">testIamPermissions(project, resource, body=None)</a></code></p>
+<p class="firstline">Returns permissions that a caller has on the specified resource.  Caution This resource is intended for use only by third-party partners who are creating Cloud Marketplace images.</p>
 <h3>Method Details</h3>
 <div class="method">
     <code class="details" id="close">close()</code>
@@ -90,21 +90,19 @@
 </div>
 
 <div class="method">
-    <code class="details" id="get">get(project, licenseCode, x__xgafv=None)</code>
-  <pre>Return a specified license code. License codes are mirrored across all projects that have permissions to read the License Code. *Caution* This resource is intended for use only by third-party partners who are creating Cloud Marketplace images. 
+    <code class="details" id="get">get(project, licenseCode)</code>
+  <pre>Return a specified license code. License codes are mirrored across all projects that have permissions to read the License Code.  Caution This resource is intended for use only by third-party partners who are creating Cloud Marketplace images.
 
 Args:
   project: string, Project ID for this request. (required)
   licenseCode: string, Number corresponding to the License code resource to return. (required)
-  x__xgafv: string, V1 error format.
-    Allowed values
-      1 - v1 error format
-      2 - v2 error format
 
 Returns:
   An object of the form:
 
-    { # Represents a License Code resource. A License Code is a unique identifier used to represent a license resource. *Caution* This resource is intended for use only by third-party partners who are creating Cloud Marketplace images.
+    { # Represents a License Code resource.
+    #
+    # A License Code is a unique identifier used to represent a license resource.  Caution This resource is intended for use only by third-party partners who are creating Cloud Marketplace images. (== resource_for {$api_version}.licenseCodes ==)
   &quot;creationTimestamp&quot;: &quot;A String&quot;, # [Output Only] Creation timestamp in RFC3339 text format.
   &quot;description&quot;: &quot;A String&quot;, # [Output Only] Description of this License Code.
   &quot;id&quot;: &quot;A String&quot;, # [Output Only] The unique identifier for the resource. This identifier is defined by the server.
@@ -123,8 +121,8 @@
 </div>
 
 <div class="method">
-    <code class="details" id="testIamPermissions">testIamPermissions(project, resource, body=None, x__xgafv=None)</code>
-  <pre>Returns permissions that a caller has on the specified resource. *Caution* This resource is intended for use only by third-party partners who are creating Cloud Marketplace images. 
+    <code class="details" id="testIamPermissions">testIamPermissions(project, resource, body=None)</code>
+  <pre>Returns permissions that a caller has on the specified resource.  Caution This resource is intended for use only by third-party partners who are creating Cloud Marketplace images.
 
 Args:
   project: string, Project ID for this request. (required)
@@ -138,10 +136,6 @@
   ],
 }
 
-  x__xgafv: string, V1 error format.
-    Allowed values
-      1 - v1 error format
-      2 - v2 error format
 
 Returns:
   An object of the form: