SONAR-15595 Fix plugin dependency packaging

plugins/sonar-education-plugin/build.gradle

@@ -23,9 +23,6 @@ jar {
                 'Plugin-Name': 'Education'
         )
     }
-    into('META-INF/lib') {
-        from configurations.compileClasspath
-    }
 }
 
 artifactoryPublish.skip = false

plugins/sonar-xoo-plugin/build.gradle

@@ -1,6 +1,3 @@
-configurations {
-  testImplementation.extendsFrom(compileOnlyApi)
-}
 
 dependencies {
   api 'com.google.guava:guava'
@@ -30,7 +27,7 @@ jar {
     )
   }
   into('META-INF/lib') {
-    from configurations.compileClasspath
+    from configurations.runtimeClasspath
   }
 }