fix security hardening (#22796)

tools/coverage/cuda_clean.py

@@ -16,8 +16,7 @@ def get_pull(pull_id):
     Returns:
         github.PullRequest.PullRequest: The pull request.
     """
-    token = os.getenv('GITHUB_API_TOKEN',
-                      'e1f9c3cf211d5c20e65bd9ab7ec07983da284bca')
+    token = os.getenv('GITHUB_API_TOKEN')
     github = Github(token, timeout=60)
     repo = github.get_repo('PaddlePaddle/Paddle')
     pull = repo.get_pull(pull_id)

tools/coverage/gcda_clean.py

@@ -17,8 +17,7 @@ def get_pull(pull_id):
     Returns:
         github.PullRequest.PullRequest
     """
-    token = os.getenv('GITHUB_API_TOKEN',
-                      'e1f9c3cf211d5c20e65bd9ab7ec07983da284bca')
+    token = os.getenv('GITHUB_API_TOKEN')
     github = Github(token, timeout=60)
     repo = github.get_repo('PaddlePaddle/Paddle')
     pull = repo.get_pull(pull_id)

tools/coverage/paddle_coverage.sh

@@ -16,7 +16,7 @@ cd /paddle/build
 
 python ${PADDLE_ROOT}/tools/coverage/gcda_clean.py ${GIT_PR_ID}
 
-lcov --capture -d ./ -o coverage.info --gcov-tool /usr/bin/gcov-4.8 --rc lcov_branch_coverage=0
+lcov --capture -d ./ -o coverage.info --rc lcov_branch_coverage=0
 
 # full html report
 

tools/coverage/pull_request.py

@@ -10,8 +10,7 @@ import os
 
 from github import Github
 
-token = os.getenv('GITHUB_API_TOKEN',
-                  'e1f9c3cf211d5c20e65bd9ab7ec07983da284bca')
+token = os.getenv('GITHUB_API_TOKEN')
 
 
 def get_pull(pull_id):