Remove sonarcloud scanning

SonarCloud deletes projects if they go a year without scanning.
This means the build breaks, the badges break, and is annoying.

Author: ricksbrown

.github/workflows/maven.yml

@@ -21,13 +21,3 @@ jobs:
     - name: Build with Maven
       run: mvn -B package --file pom.xml
 
-    - name: SonarCloud Scan
-      run: |
-        if ["$SONAR_TOKEN" == ""]; then
-          echo "Sonar secure variables NOT available"
-        else
-          echo "Sonar secure variables ARE available"
-          mvn -P coverage clean org.jacoco:jacoco-maven-plugin:prepare-agent verify sonar:sonar -Dsonar.projectKey=ricksbrown_cowsay -Dsonar.organization="ricksbrown" -Dsonar.sources=. -Dsonar.inclusions=src/main/** -Dsonar.host.url="https://sonarcloud.io"
-        fi
-      env:
-        SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}

README.md

@@ -1,10 +1,6 @@
 [![Java CI with Maven](https://github.com/ricksbrown/cowsay/actions/workflows/maven.yml/badge.svg)](https://github.com/ricksbrown/cowsay/actions/workflows/maven.yml)
 [![CodeQL](https://github.com/ricksbrown/cowsay/actions/workflows/codeql-analysis.yml/badge.svg)](https://github.com/ricksbrown/cowsay/actions/workflows/codeql-analysis.yml)
 [![Javadocs](https://javadoc.io/badge/com.github.ricksbrown/cowsay.svg)](https://javadoc.io/doc/com.github.ricksbrown/cowsay)
-[![Security Rating](https://sonarcloud.io/api/project_badges/measure?project=ricksbrown_cowsay&metric=security_rating)](https://sonarcloud.io/dashboard?id=ricksbrown_cowsay)
-[![Reliability Rating](https://sonarcloud.io/api/project_badges/measure?project=ricksbrown_cowsay&metric=reliability_rating)](https://sonarcloud.io/dashboard?id=ricksbrown_cowsay)
-[![Maintainability Rating](https://sonarcloud.io/api/project_badges/measure?project=ricksbrown_cowsay&metric=sqale_rating)](https://sonarcloud.io/dashboard?id=ricksbrown_cowsay)
-[![Coverage](https://sonarcloud.io/api/project_badges/measure?project=ricksbrown_cowsay&metric=coverage)](https://sonarcloud.io/dashboard?id=ricksbrown_cowsay)
 
 # Cowsay