Remove build from CodeQL

Analyse C# code without building it.

Author: martincostello

.github/workflows/code-scan.yml

@@ -6,7 +6,7 @@ on:
   pull_request:
     branches: [ main, dotnet-vnext ]
   schedule:
-    - cron: "0 6 * * MON"
+    - cron: '0 6 * * MON'
   workflow_dispatch:
 
 permissions:
@@ -25,25 +25,13 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
 
-    - name: Setup .NET SDK
-      uses: actions/setup-dotnet@6bd8b7f7774af54e05809fcc5431931b3eb1ddee # v4.0.1
-
-    - name: Setup NuGet cache
-      uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
-      with:
-        path: ~/.nuget/packages
-        key: ${{ runner.os }}-nuget-${{ hashFiles('**/*.csproj', '**/*.props') }}
-        restore-keys: ${{ runner.os }}-nuget-
-
     - name: Initialize CodeQL
       uses: github/codeql-action/init@afb54ba388a7dca6ecae48f608c4ff05ff4cc77a # v3.25.15
       with:
-        languages: "csharp"
-
-    - name: Autobuild
-      uses: github/codeql-action/autobuild@afb54ba388a7dca6ecae48f608c4ff05ff4cc77a # v3.25.15
+        build-mode: none
+        languages: 'csharp'
 
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@afb54ba388a7dca6ecae48f608c4ff05ff4cc77a # v3.25.15
       with:
-        category: "/language:csharp"
+        category: '/language:csharp'