Fix CI pipeline

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest ]
-        go: [ 1.14 ]
+        go: [ 1.15 ]
     name: ${{ matrix.os }} @ Go ${{ matrix.go }}
     runs-on: ${{ matrix.os }}
     steps:
@@ -25,12 +25,6 @@ jobs:
         with:
           go-version: ${{ matrix.go }}
 
-      - name: Set GOPATH and PATH
-        run: |
-          echo "::set-env name=GOPATH::$(dirname $GITHUB_WORKSPACE)"
-          echo "::add-path::$(dirname $GITHUB_WORKSPACE)/bin"
-        shell: bash
-
       - name: Checkout Code
         uses: actions/checkout@v2
         with: