simplify codeql workflow

Use of `toolchain` directive in daemon's go.mod obsoletes setup-go step:
daemon build will use version of go toolchain requested in `toolchain`
directive.

Author: lavarou

.github/workflows/codeql.yml

@@ -36,12 +36,6 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
-    - name: Setup go
-      if: ${{ matrix.language == 'go' }}
-      uses: actions/setup-go@v5
-      with:
-        go-version-file: './daemon/go.mod'
-
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3