Clean unneeded code ci.yml

Author: Whyle

.github/workflows/ci.yml

@@ -7,7 +7,6 @@ on:
   pull_request:
     branches:
       - main
-      - unittest-coverage-yihao-sprint15
 
 jobs:
   test:
@@ -43,4 +42,4 @@ jobs:
           coveralls
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          COVERALLS_TOKEN: ${{ secrets.COVERALLS_SUPPLAI_DB_API_TOKEN }}
+          COVERALLS_TOKEN: ${{ secrets.COVERALLS_SUPPLAI_DB_API_TOKEN }}