Make git submodule buildable

build.gradle

@@ -22,16 +22,11 @@ import org.apache.tools.ant.taskdefs.condition.Os
 
 plugins {
     id 'java'
-    id 'application'
-
-    id 'com.github.johnrengelman.shadow' version '5.0.0'
 }
 
 group 'de.steamwar'
 version ''
 
-mainClassName = ''
-
 ext {
     buildName = 'CommonCore'
     artifactName = 'commoncore'