Revert "Go: write test go runtime version in a specific file"

This reverts commit abcd916.

Author: redsun82

.github/workflows/go-tests-other-os.yml

@@ -7,6 +7,8 @@ on:
       - .github/workflows/go-tests-other-os.yml
       - .github/actions/**
       - codeql-workspace.yml
+env:
+  GO_VERSION: '~1.22.0'
 
 permissions:
   contents: read
@@ -16,10 +18,10 @@ jobs:
     name: Test MacOS
     runs-on: macos-latest
     steps:
-      - name: Set up Go
+      - name: Set up Go ${{ env.GO_VERSION }}
         uses: actions/setup-go@v5
         with:
-          go-version-file: go/test-runtime-version/go.work
+          go-version: ${{ env.GO_VERSION }}
           cache: false
         id: go
 
@@ -53,10 +55,10 @@ jobs:
     name: Test Windows
     runs-on: windows-latest-xl
     steps:
-      - name: Set up Go
+      - name: Set up Go ${{ env.GO_VERSION }}
         uses: actions/setup-go@v5
         with:
-          go-version-file: go/test-runtime-version/go.work
+          go-version: ${{ env.GO_VERSION }}
           cache: false
         id: go
 

.github/workflows/go-tests.yml

@@ -16,6 +16,9 @@ on:
       - .github/actions/**
       - codeql-workspace.yml
 
+env:
+  GO_VERSION: '~1.22.0'
+
 permissions:
   contents: read
 
@@ -25,10 +28,10 @@ jobs:
     name: Test Linux (Ubuntu)
     runs-on: ubuntu-latest-xl
     steps:
-      - name: Set up Go
+      - name: Set up Go ${{ env.GO_VERSION }}
         uses: actions/setup-go@v5
         with:
-          go-version-file: go/test-runtime-version/go.work
+          go-version: ${{ env.GO_VERSION }}
           cache: false
         id: go
 

go/ql/test/go.mod

@@ -0,0 +1,4 @@
+module github.com/github/codeql-go/ql/test
+
+go 1.21
+