Removing msft-shared-content reference

Author: buck1ey

.openpublishing.publish.config.json

@@ -64,12 +64,6 @@
       "branch": "master",
       "branch_mapping": {}
     },
-    {
-      "path_to_root": "msft-shared-content",
-      "url": "https://github.com/MicrosoftDocs/reusable-content",
-      "branch": "main",
-      "branch_mapping": {}
-    },
     {
       "path_to_root": "shared-content",
       "url": "https://github.com/MicrosoftDocs/powerapps-docs-pr",