Don't say that 1.19.2 is supported (#3443)

core/src/main/java/org/geysermc/geyser/network/GameProtocol.java

@@ -110,7 +110,7 @@ public final class GameProtocol {
      * @return the supported Minecraft: Java Edition version names
      */
     public static List<String> getJavaVersions() {
-        return List.of(DEFAULT_JAVA_CODEC.getMinecraftVersion(), "1.19.2");
+        return List.of(DEFAULT_JAVA_CODEC.getMinecraftVersion());
     }
 
     /**