Change ModCore messages cause people keep thinking those are errors

src/main/java/com/replaymod/core/ReplayModMMLauncher.java

@@ -53,7 +53,9 @@ public class ReplayModMMLauncher implements Runnable {
         String mcVer = minecraft.get().getMetadata().getVersion().getFriendlyString();
 
         int result = ModCoreInstaller.initialize(gameDir, mcVer + "_fabric");
-        System.out.println("ReplayMod ModCore init result: " + result);
+        if (result != -2) { // Don't even bother logging the result if there's no ModCore for this version.
+            System.out.println("ReplayMod ModCore init result: " + result);
+        }
         if (ModCoreInstaller.isErrored()) {
             System.err.println(ModCoreInstaller.getError());
         }

src/main/java/com/replaymod/core/tweaker/ReplayModTweaker.java

@@ -57,7 +57,9 @@
 //$$             }
 //$$
 //$$             int result = ModCoreInstaller.initialize(Launch.minecraftHome, mcVer + "_forge");
-//$$             System.out.println("ReplayMod ModCore init result: " + result);
+//$$             if (result != -2) { // Don't even bother logging the result if there's no ModCore for this version.
+//$$                 System.out.println("ReplayMod ModCore init result: " + result);
+//$$             }
 //$$             if (ModCoreInstaller.isErrored()) {
 //$$                 System.err.println(ModCoreInstaller.getError());
 //$$             }