Remove duplicate method

bootstrap/mod/src/main/java/org/geysermc/geyser/platform/mod/GeyserModBootstrap.java

@@ -260,11 +260,6 @@ public abstract class GeyserModBootstrap implements GeyserBootstrap {
 
     public abstract boolean isServer();
 
-    @Override
-    public @Nullable SocketAddress getSocketAddress() {
-        return this.geyserInjector.getServerSocketAddress();
-    }
-
     @Override
     public boolean testFloodgatePluginPresent() {
         return this.platform.testFloodgatePluginPresent(this);