Remove unneeded method as we can rely on the parent method instead

includes/Classifai/Providers/Watson/NLU.php

@@ -117,15 +117,6 @@ public function reset_settings() {
 		update_option( $this->get_option_name(), $settings );
 	}
 
-	/**
-	 * Can the functionality be initialized?
-	 *
-	 * @return bool
-	 */
-	public function can_register() {
-		return $this->is_configured();
-	}
-
 	/**
 	 * Register what we need for the plugin.
 	 */