Optimize DockerfileRegressionTest

Author: LouisSzeto

examples-check/DockerfileRegressionTest

@@ -36,7 +36,6 @@ CMD python3 examples-check/example-regression-algorithm-test.py && \
     fi && \
     git config --global user.name "${GITHUB_USER}" && \
     git config --global user.email "${GITHUB_EMAIL}" && \
-    git config --global credential.helper store && \
     git checkout -b dockerfile-run-example-regression-test && \
     git add . && \
     git commit -m "Run Example Regression Test" && \
@@ -46,12 +45,12 @@ CMD python3 examples-check/example-regression-algorithm-test.py && \
 ### docker build \
 ###     -t example-regression-test-image \
 ###     -f examples-check/DockerfileRegressionTest .
-### docker run -it --entrypoint bash \
+### docker run -it \
 ###     -e GITHUB_USER="username" \
 ###     -e GITHUB_EMAIL="[email protected]" \
 ###     -e DOCS_REGRESSION_TEST_VALIDATION_MODE=1 \
 ###     -e DOCS_REGRESSION_TEST_USER_ID=123456 \
 ###     -e DOCS_REGRESSION_TEST_USER_TOKEN="user-token" \
 ###     -e DOCS_REGRESSION_TEST_CS_PROJECT=12345678 \
 ###     -e DOCS_REGRESSION_TEST_PY_PROJECT=87654321 \
-###     example-regression-test-image
+###     example-regression-test-image