Remove datagen classes from sources

Author: Hugman76

build.gradle

@@ -56,14 +56,6 @@ java {
     withSourcesJar()
 }
 
-tasks.named('sourcesJar') {
-    if (project.sourceSets.findByName('datagen')) {
-        from sourceSets['datagen'].allSource.matching {
-            exclude 'fabric.mod.json'
-        }
-    }
-}
-
 jar {
     from("LICENSE") {
         rename { "${it}_${project.archivesBaseName}" }