Only run on stable go

Author: stroiman

.github/workflows/go.yml

@@ -20,8 +20,6 @@ jobs:
         go-version:
         # Check the earliest and two trailing versions, to keep
         # maintainance of this file reasonable.
-        - 1.19
-        - oldstable
         - stable
         include:
         - os: linux
@@ -41,9 +39,6 @@ jobs:
       run: echo "GOPATH=$(go env GOPATH)" >>"$GITHUB_ENV"
 
     - name: Build
-      env:
-        CC: clang
-        CXX: clang++
       run: |
         go build -v ./browser/...
         go test -v ./browser/...