revert new dependencies

Author: daniel-sanche

setup.py

@@ -44,8 +44,6 @@
     "google-cloud-audit-log >= 0.3.1, < 1.0.0",
     "google-cloud-core >= 2.0.0, <3.0.0",
     "grpc-google-iam-v1 >=0.12.4, <1.0.0",
-    "grpcio >= 1.33.2, < 2.0.0; python_version < '3.14'",
-    "grpcio >= 1.75.1, < 2.0.0; python_version >= '3.14'"
     "opentelemetry-api >= 1.9.0",
     "proto-plus >= 1.22.0, <2.0.0",
     "proto-plus >= 1.22.2, <2.0.0; python_version>='3.11'",