Fix errors from golang-ci action

According to golangci/golangci-lint-action#23 we should just let the
action take care of installing go, etc.

Author: larsks

.github/workflows/precommit.yml

@@ -13,16 +13,7 @@ jobs:
       - name: Check out code
         uses: actions/checkout@v2
 
-      - name: Setup go
-        uses: actions/setup-go@v2
-        with:
-          go-version: '^1.16'
-
-      - name: Download go modules
-        run: go mod tidy
-
       - name: Run linters
         uses: golangci/golangci-lint-action@v2
         with:
           version: v1.42
-          skip-go-installation: true

.github/workflows/release.yml

@@ -10,19 +10,10 @@ jobs:
       - name: Check out code
         uses: actions/checkout@v2
 
-      - name: Setup go
-        uses: actions/setup-go@v2
-        with:
-          go-version: '^1.16'
-
-      - name: Download go modules
-        run: go mod tidy
-
       - name: Run linters
         uses: golangci/golangci-lint-action@v2
         with:
           version: v1.42
-          skip-go-installation: true
 
   build:
     name: Build binary