Revert protection against back-compatibilty issue with google-core-api (#37111)

The bug we reported for google-core-api 2.16.0 has been fixed in 2.16.1
and we can revert the workaround now

Author: potiuk

airflow/providers/google/provider.yaml

@@ -93,7 +93,8 @@ dependencies:
   - gcsfs>=2023.10.0
   - google-ads>=22.1.0
   - google-analytics-admin
-  - google-api-core>=2.11.0
+  # Google-api-core 2.16.0 back-compat issue: https://github.com/googleapis/python-api-core/issues/576
+  - google-api-core>=2.11.0,!=2.16.0
   - google-api-python-client>=1.6.0
   - google-auth>=1.0.0
   - google-auth-httplib2>=0.0.1

generated/provider_dependencies.json

@@ -516,7 +516,7 @@
       "gcsfs>=2023.10.0",
       "google-ads>=22.1.0",
       "google-analytics-admin",
-      "google-api-core>=2.11.0",
+      "google-api-core>=2.11.0,!=2.16.0",
       "google-api-python-client>=1.6.0",
       "google-auth-httplib2>=0.0.1",
       "google-auth>=1.0.0",

pyproject.toml

@@ -524,7 +524,7 @@ winrm = [
 # If you want to modify these - modify the corresponding provider.yaml instead.
 #############################################################################################################
 # START OF GENERATED DEPENDENCIES
-# Hash of dependencies: 5041869464e6475fea61bee848306a8c
+# Hash of dependencies: ad91a0758ca9b408679bd3ea3ec22c66
 airbyte = [ # source: airflow/providers/airbyte/provider.yaml
   "apache-airflow[http]",
 ]
@@ -705,7 +705,7 @@ google = [ # source: airflow/providers/google/provider.yaml
   "gcsfs>=2023.10.0",
   "google-ads>=22.1.0",
   "google-analytics-admin",
-  "google-api-core>=2.11.0",
+  "google-api-core>=2.11.0,!=2.16.0",
   "google-api-python-client>=1.6.0",
   "google-auth-httplib2>=0.0.1",
   "google-auth>=1.0.0",

tests/system/providers/google/cloud/dataproc/example_dataproc_batch.py

@@ -22,17 +22,7 @@
 import os
 from datetime import datetime
 
-try:
-    from google.api_core.retry import AsyncRetry  # type: ignore[attr-defined]
-    # There is a backwards-incompatible change in google.api_core.retry.AsyncRetry imports
-    # In 2.16.0 version of google-api-core, AsyncRetry was moved to google.api_core.retry_unary_async
-    # and backwards compatibility impots were not haandling the case of
-    # `from google.api_core.retry_async import AsyncRetry`
-    # The issue is tracked in https://github.com/googleapis/python-api-core/issues/586
-    # Until it is solved, we need to handle both cases, because one works before and one after 2.16.0
-    # But there is no import that works for both.
-except ImportError:
-    from google.api_core.retry_async import AsyncRetry  # type: ignore[attr-defined]
+from google.api_core.retry_async import AsyncRetry
 
 from airflow.models.dag import DAG
 from airflow.providers.google.cloud.operators.dataproc import (