Modified tox.ini file to resolve build fail for python3.7 environment

Author: Shantanu Dhiman

tox.ini

@@ -44,9 +44,6 @@ envlist =
     # The aws_lambda tests deploy to the real AWS and have their own matrix of Python versions.
     py3.7-aws_lambda
 
-    # The gcp deploy to the real GCP and have their own matrix of Python versions.
-    py3.7-gcp
-
     {pypy,py2.7,py3.5,py3.6,py3.7,py3.8}-pyramid-{1.6,1.7,1.8,1.9,1.10}
 
     {pypy,py2.7,py3.5,py3.6}-rq-{0.6,0.7,0.8,0.9,0.10,0.11}