🐛 Source Google Sheets: add missing titles and descriptions to fields in connector spec (#11270)

* Remove copy-pasta comment from another connector

* Spec cleanup
  * Add title to credentials
  * Add text about where to get spreadsheet ID to spreadsheet_id
  * Add an example of spreadsheet id

Author: grishick

airbyte-integrations/connectors/source-google-sheets/acceptance-test-config.yml

@@ -17,7 +17,6 @@ tests:
   discovery:
     - config_path: "secrets/service_config.json"
   basic_read:
-    # Sometimes test could fail (on weekends) because transactions could temporary disappear from Paypal Sandbox account
     - config_path: "secrets/service_config.json"
       configured_catalog_path: "integration_tests/configured_catalog.json"
   full_refresh:

airbyte-integrations/connectors/source-google-sheets/google_sheets_source/spec.json

@@ -10,10 +10,13 @@
       "spreadsheet_id": {
         "type": "string",
         "title": "Spreadsheet ID",
-        "description": "The ID of the spreadsheet to be replicated."
+        "description": "The ID of the spreadsheet to be replicated. The ID is found in the URL of your spreadsheet, typically between \"/d/\" and \"/edit\"",
+        "examples": ["1hLd9Qqti5XyLXZB2aFfUWDT7BG-arw2xy4HR3D-dwUb"]
       },
       "credentials": {
         "type": "object",
+        "title": "Credentials",
+        "description": "Google API Credentials for connecting to Google Sheets and Google Drive APIs",
         "oneOf": [
           {
             "title": "Authenticate via Google (OAuth)",