uncomment (#857)

* uncomment

* copy from altrisi's

build.gradle

@@ -55,10 +55,10 @@ tasks.withType(JavaCompile).configureEach {
 	// The Minecraft launcher currently installs Java 8 for users, so your mod probably wants to target Java 8 too
 	// JDK 9 introduced a new way of specifying this that will make sure no newer classes or methods are used.
 	// We'll use that if it's available, but otherwise we'll use the older option.
-	//def targetVersion = 8
-	//if (JavaVersion.current().isJava9Compatible()) {
-	//	 it.options.release = targetVersion
-	//}
+	def targetVersion = 8
+	if (JavaVersion.current().isJava9Compatible()) {
+		 it.options.release = targetVersion
+	}
 
 	// Minecraft 1.17 (21w19a) upwards uses Java 16.
 	//it.options.release = 16