removed after_test

Author: alishanoon

.appveyor.yml

@@ -31,8 +31,3 @@ test_script:
 on_success:
   - echo "%JL_CODECOV_SCRIPT%"
   - C:\julia\bin\julia -e "%JL_CODECOV_SCRIPT%"
-after_test:
-  - ps : |
-    $env:PATH = 'C:\msys64\usr\bin;' + $env:PATH
-    Invoke-WebRequest -Uri 'https://codecov.io/bash' -OutFile codecov.sh
-    bash codecov.sh -f "coverage.xml" -t 9a7f5d9b-9fa2-4824-93c6-9e9d0875ebbf