Change SlingshotProjectile condition to negate check

Author: iiDk-the-actual

Mods/Projectiles.cs

@@ -146,10 +146,7 @@ public static void BetaFireProjectile(string projectileName, Vector3 position, V
 
             SnowballThrowable Throwable = GetProjectile(projectileName);
 
-            if (projectileName == "SlingshotProjectile")
-            {
-            }
-            else
+            if (projectileName != "SlingshotProjectile")
             {
                 if (Throwable == null)
                     return;