chore: remove code formatting for noxfile.py

Author: parthea

gapic/templates/noxfile.py.j2

@@ -16,8 +16,10 @@ BLACK_VERSION = "black[jupyter]==23.7.0"
 ISORT_VERSION = "isort==5.11.0"
 
 {% if api.naming.module_namespace %}
+FORMAT_PATHS = ["docs", "{{ api.naming.module_namespace[0] }}", "tests", "setup.py"]
 LINT_PATHS = ["docs", "{{ api.naming.module_namespace[0] }}", "tests", "noxfile.py", "setup.py"]
 {% else %}
+FORMAT_PATHS = ["docs", "{{ api.naming.module_namespace[0] }}", "tests", "setup.py"]
 LINT_PATHS = ["docs", "{{ api.naming.versioned_module_name }}", "tests", "noxfile.py", "setup.py"]
 {% endif %}
 
@@ -167,7 +169,7 @@ def blacken(session):
     session.install(BLACK_VERSION)
     session.run(
         "black",
-        *LINT_PATHS,
+        *FORMAT_PATHS,
     )
 
 
@@ -183,11 +185,11 @@ def format(session):
     session.run(
         "isort",
         "--fss",
-        *LINT_PATHS,
+        *FORMAT_PATHS,
     )
     session.run(
         "black",
-        *LINT_PATHS,
+        *FORMAT_PATHS,
     )