Remove Java 8 warning

It's required, so the JVM will warn you for me

modules/API/src/main/java/com/comphenix/protocol/utility/Util.java

@@ -60,17 +60,4 @@ public class Util {
 	public static boolean isUsingSpigot() {
 		return Bukkit.getServer().getVersion().contains("Spigot");
 	}
-
-	/**
-	 * Gets the currently running major Java version.
-	 * @return The version or -1 if it could not be found
-	 */
-	public static int getJavaVersion() {
-		try {
-			String version = Runtime.class.getPackage().getSpecificationVersion();
-			return (int) (Double.parseDouble(version) * 10 % 10);
-		} catch (Throwable ex) {
-			return -1;
-		}
-	}
 }

modules/ProtocolLib/src/main/java/com/comphenix/protocol/ProtocolLib.java

@@ -52,7 +52,6 @@ import com.comphenix.protocol.updater.Updater.UpdateType;
 import com.comphenix.protocol.utility.ChatExtensions;
 import com.comphenix.protocol.utility.EnhancerFactory;
 import com.comphenix.protocol.utility.MinecraftVersion;
-import com.comphenix.protocol.utility.Util;
 import com.google.common.base.Splitter;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Sets;
@@ -155,13 +154,6 @@ public class ProtocolLib extends JavaPlugin {
 		logger = getLogger();
 		ProtocolLogger.init(this);
 
-		int java = Util.getJavaVersion();
-		if (java != -1 && java < 8 && !getConfig().getBoolean("ignoreJava", false)) {
-			logger.warning("Detected outdated Java version: Java " + java);
-			logger.warning("Future versions of ProtocolLib and Minecraft will require Java 8 or higher");
-			logger.warning("Update as soon as possible.");
-		}
-
 		// Initialize enhancer factory
 		EnhancerFactory.getInstance().setClassLoader(getClassLoader());