ci: remove sonarcloud workflow (conflicts with automatic analysis)

.github/workflows/sonarcloud.yml

@@ -1,50 +0,0 @@
-# SonarCloud analysis for code quality and security
-#
-# Setup required:
-# 1. Create project at sonarcloud.io using your GitHub account
-# 2. Add SONAR_TOKEN secret to repository (Settings > Secrets > Actions)
-# 3. Update projectKey and organization below
-
-name: SonarCloud
-
-on:
-  push:
-    branches: [develop, main]
-  pull_request:
-    branches: [develop]
-  workflow_dispatch:
-
-permissions:
-  pull-requests: read
-
-jobs:
-  analyze:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check for SONAR_TOKEN
-        id: check-secret
-        run: |
-          if [ -n "${{ secrets.SONAR_TOKEN }}" ]; then
-            echo "available=true" >> $GITHUB_OUTPUT
-          else
-            echo "available=false" >> $GITHUB_OUTPUT
-            echo "::warning::SONAR_TOKEN not configured - skipping SonarCloud scan"
-          fi
-
-      - name: Checkout
-        if: steps.check-secret.outputs.available == 'true'
-        uses: actions/checkout@v6
-        with:
-          fetch-depth: 0
-
-      - name: SonarCloud Scan
-        if: steps.check-secret.outputs.available == 'true'
-        uses: SonarSource/sonarcloud-github-action@v2
-        env:
-          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
-        with:
-          args: >
-            -Dsonar.projectKey=cheir-mneme_aletheia
-            -Dsonar.organization=cheir-mneme
-            -Dsonar.sources=src
-            -Dsonar.exclusions=**/node_modules/**,**/bin/**,**/obj/**,**/*.min.js