remove doctests from noxfile

Author: ohmayr

packages/google-cloud-datastore/noxfile.py

@@ -422,17 +422,6 @@ def docs(session):
     )
 
 
-@nox.session(python="3.10")
-def doctests(session):
-    # Install all test dependencies, then install this package into the
-    # virtualenv's dist-packages.
-    session.install("mock", "pytest", "sphinx", "google-cloud-testutils")
-    session.install("-e", ".")
-
-    # Run py.test against the system tests.
-    session.run("py.test", "tests/doctests.py")
-
-
 @nox.session(python="3.10")
 def docfx(session):
     """Build the docfx yaml files for this library."""