Cleans the requirements.txt file

Author: Nicholas Thomson

test/e2e/requirements.txt

@@ -1,34 +1 @@
-acktest @ git+https://github.com/aws-controllers-k8s/test-infra.git@6c6d9dd4759c7bb2feecd11dc03e8516371812cc
-apipkg==1.5
-attrs==20.3.0
-boto3==1.16.40
-botocore==1.19.63
-cachetools==4.2.1
-certifi==2020.12.5
-chardet==4.0.0
-execnet==1.8.0
-google-auth==1.28.0
-idna==2.10
-iniconfig==1.1.1
-jmespath==0.10.0
-kubernetes==12.0.1
-oauthlib==3.1.0
-packaging==20.9
-pluggy==0.13.1
-py==1.10.0
-pyasn1==0.4.8
-pyasn1-modules==0.2.8
-pyparsing==2.4.7
-pytest==6.2.3
-pytest-forked==1.3.0
-pytest-xdist==2.2.0
-python-dateutil==2.8.1
-PyYAML==5.3.1
-requests==2.25.1
-requests-oauthlib==1.3.0
-rsa==4.7.2
-s3transfer==0.3.6
-six==1.15.0
-toml==0.10.2
-urllib3==1.26.4
-websocket-client==0.58.0
+acktest @ git+https://github.com/aws-controllers-k8s/test-infra.git@955d7831ee374a212250179e95a5f3b75e555fd9