CodeQL: format file and remove extra comments

[skip ci]

Signed-off-by: Álvaro Brey Vilas <alvaro.brey@nextcloud.com>

.github/workflows/codeql-analysis.yml

@@ -1,21 +1,9 @@
-# For most projects, this workflow file will not need changing; you simply need
-# to commit it to your repository.
-#
-# You may wish to alter this file to override the set of languages analyzed,
-# or to provide custom queries or build logic.
-#
-# ******** NOTE ********
-# We have attempted to detect the languages in your repository. Please check
-# the `language` matrix defined below to confirm you have the correct set of
-# supported CodeQL languages.
-#
 name: "CodeQL"
 
 on:
   push:
     branches: [ master, stable-3.* ]
   pull_request:
-    # The branches below must be a subset of the branches above
     branches: [ master ]
   schedule:
     - cron: '42 10 * * 4'
@@ -33,7 +21,6 @@ jobs:
       fail-fast: false
       matrix:
         language: [ 'java' ]
-        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby' ]
         # Learn more about CodeQL language support at https://git.io/codeql-language-support
 
     steps:
@@ -46,16 +33,18 @@ jobs:
       with:
         languages: ${{ matrix.language }}
 
-    -   name: Set up JDK 11
-        uses: actions/setup-java@v2
-        with:
-            distribution: "adopt"
-            java-version: 11
+    # Build
+    - name: Set up JDK 11
+      uses: actions/setup-java@v2
+      with:
+        distribution: "adopt"
+        java-version: 11
     - name: Assemble
       run: |
         mkdir -p $HOME/.gradle
         echo "org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError" > $HOME/.gradle/gradle.properties
         ./gradlew assembleGplayDebug
 
+    # Run analysis
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v1