Fix ClientTickEvent not firing properly.

src/main/java/net/minecraftforge/event/ForgeEventFactory.java

@@ -816,11 +816,11 @@ public final class ForgeEventFactory {
     }
 
     public static void onPreClientTick() {
-        post(TickEvent.ClientTickEvent.Pre.get());
+        post(new TickEvent.ClientTickEvent.Pre());
     }
 
     public static void onPostClientTick() {
-        post(TickEvent.ClientTickEvent.Post.get());
+        post(new TickEvent.ClientTickEvent.Post());
     }
 
     public static void onPreServerTick(BooleanSupplier haveTime, MinecraftServer server) {

src/main/java/net/minecraftforge/event/TickEvent.java

@@ -80,27 +80,15 @@ public class TickEvent extends Event {
         }
 
         public static class Pre extends ClientTickEvent {
-            private static final Pre INSTANCE = new Pre();
-
-            private Pre() {
+            public Pre() {
                 super(Phase.START);
             }
-
-            public static Pre get() {
-                return INSTANCE;
-            }
         }
 
         public static class Post extends ClientTickEvent {
-            private static final Post INSTANCE = new Post();
-
-            private Post() {
+            public Post() {
                 super(Phase.END);
             }
-
-            public static Post get() {
-                return INSTANCE;
-            }
         }
     }