revert: discard formatting-only changes in legacy table module

Restores packages/google-cloud-bigtable/google/cloud/bigtable/table.py and packages/google-cloud-bigtable/tests/unit/v2_client/test_table.py back to their original main branch states to eliminate redundant diffs from the PR.

TAG=agy
CONV=6cea44b5-6adb-45c6-b8c8-58b37f95584c

Author: anvitTawar

packages/google-cloud-bigtable/google/cloud/bigtable/table.py

@@ -757,7 +757,8 @@ def sample_row_keys(self):
         the properties ``offset_bytes`` and ``row_key``. They occur in sorted
         order. The table might have contents before the first row key in the
         list and after the last one, but a key containing the empty string
-        indicates "end of table" and will be the last response given, if present.
+        indicates "end of table" and will be the last response given, if
+        present.
 
         .. note::
 

packages/google-cloud-bigtable/tests/unit/v2_client/test_table.py

@@ -1175,7 +1175,6 @@ def test_table_sample_row_keys():
     assert result[0] == response_iterator
 
 
-
 def test_table_truncate():
     credentials = _make_credentials()
     client = _make_client(project="project-id", credentials=credentials, admin=True)