generate fabric server runs

Fabric/build.gradle

@@ -24,6 +24,11 @@ loom {
             setConfigName("Fabric Client")
             ideConfigGenerated(true)
         }
+        server {
+            server()
+            setConfigName("Fabric Server")
+            ideConfigGenerated(true)
+        }
     }
 }
 
@@ -42,10 +47,6 @@ tasks.withType(JavaCompile).configureEach {
     it.options.release = 16
 }
 
-java {
-    withSourcesJar()
-}
-
 tasks.withType(JavaCompile) {
     source(project(":Common").sourceSets.main.allSource)
 }