actions: remove redundant gofmt and govet calls

gofmt and govet are not handled by golangci-lint, which runs in a
separate actions workflow. No need to run them here as well.

.github/workflows/tests.yml

@@ -21,7 +21,7 @@ jobs:
           # is very little in the library that is platform specific
           - go-version: 1.x
             platform: windows-latest
-            
+
           # only update test coverage stats with the most recent go version on linux
           - go-version: 1.x
             platform: ubuntu-latest
@@ -38,13 +38,13 @@ jobs:
       with:
         go-version: ${{ matrix.go-version }}
     - uses: actions/checkout@v2
-    
+
     # Get values for cache paths to be used in later steps 
     - id: cache-paths
       run: |
         echo "::set-output name=go-cache::$(go env GOCACHE)"
         echo "::set-output name=go-mod-cache::$(go env GOMODCACHE)"
-      
+
     - name: Cache go modules
       uses: actions/cache@v2
       with:
@@ -54,17 +54,10 @@ jobs:
         key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
         restore-keys: ${{ runner.os }}-go-
 
-    - name: Run go fmt
-      if: runner.os != 'Windows'
-      run: diff -u <(echo -n) <(gofmt -d -s .)
-
     - name: Ensure go generate produces a zero diff
       shell: bash
       run:  go generate -x ./... && git diff --exit-code; code=$?; git checkout -- .; (exit $code)
 
-    - name: Run go vet
-      run: go vet ./...
-
     - name: Run go test
       run: go test -v -race -coverprofile coverage.txt -covermode atomic ./...