fix: restore strict type-checking for bigtable.data in mypy.ini

Author: chalmerlowe

mypy.ini

@@ -95,12 +95,12 @@ ignore_missing_imports = True
 ignore_missing_imports = True
 
 [mypy-google.cloud.bigtable.*]
-check_untyped_defs = True
-warn_unreachable = True
-disallow_any_generics = True
 ignore_errors = True
 
 [mypy-google.cloud.bigtable.data.*]
+check_untyped_defs = True
+warn_unreachable = True
+disallow_any_generics = True
 ignore_errors = False
 
 [mypy-google.cloud.bigtable_admin.*]