chore: Update to Speakeasy managed implicit namespacing

As of speakeasy@1.561.0, the `moduleName` field can reference an
implicit namespace (e.g. PEP-420).

- Update `.sepeakeasy/gen.yaml` to use `glean.api_client`
- Remove running of custom restructuring script

Author: rwjblue-glean

.github/workflows/patch-speakeasy-pr.yml

@@ -19,9 +19,7 @@ jobs:
           ref: ${{ github.head_ref || github.ref_name }}
           fetch-depth: 0
 
-      - name: Restructure glean package to namespace structure
-        run: |
-          python .github/scripts/restructure_to_namespace.py
+      - name: Nothing to do! 🎉
 
       - name: Commit and push if files changed
         run: |

.speakeasy/gen.yaml

@@ -54,7 +54,7 @@ python:
   inputModelSuffix: input
   maxMethodParams: 999
   methodArguments: infer-optional-args
-  moduleName: ""
+  moduleName: glean.api_client
   outputModelSuffix: output
   packageName: glean
   pytestFilterWarnings: []