Remove sonar.projectKey & sonar.projectName

Remove `sonar.projectKey` & `sonar.projectName` properties from the
`sonarqube` task since they have a reasonable defaults according
plugin docs: https://docs.sonarqube.org/latest/analysis/scan/sonarscanner-for-gradle/

It looks like the feature to override these properties in the Bamboo
plugin doesn't work properly

build.gradle

@@ -973,8 +973,6 @@ sonarqube {
 		property 'sonar.links.scm', linkScmUrl
 		property 'sonar.links.scm_dev', linkScmDevConnection
 		property 'sonar.java.coveragePlugin', 'jacoco'
-		property 'sonar.projectKey', "$group:$name"
-		property 'sonar.projectName', "$name"
 	}
 }