Simplify protobuf dependency in setup.py to a single line

Author: vkarampudi

setup.py

@@ -79,8 +79,8 @@ def select_constraint(default, nightly=None, git_master=None):
         # TODO(b/263060885): Remove the explicit numpy dependency once TF works
         # with numpy>=1.24.
         'numpy>=1.22',
-        'protobuf>=4.25.2,<7.0.0;python_version>="3.11"',
-        'protobuf>=4.21.6,<7.0.0;python_version<"3.11"',
+        'protobuf>=4.25.2,<7.0.0',
+
         'tensorflow>=2.21,<2.22',
         'tensorflow-metadata'
         + select_constraint(