Refactor email placeholders and deprecate obsolete methods

Streamline placeholder handling for emails by introducing universal patterns and replacements, and update email dispatch functions for efficiency. Deprecated various redundant user and password-related methods, consolidating logic into common utility classes for better maintainability.

includes/core/class-profile.php

@@ -513,35 +513,28 @@ if ( ! class_exists( 'um\core\Profile' ) ) {
 			<?php
 		}
 
-
 		/**
 		 * UM Placeholders for user link, avatar link
-		 *
+		 * @depreacated 2.10.5
 		 * @param $placeholders
 		 *
 		 * @return array
 		 */
-		function add_placeholder( $placeholders ) {
-			$placeholders[] = '{user_profile_link}';
-			$placeholders[] = '{user_avatar_url}';
-			$placeholders[] = '{password}';
+		public function add_placeholder( $placeholders ) {
+			_deprecated_function( __METHOD__, '2.10.5' );
 			return $placeholders;
 		}
 
-
 		/**
 		 * UM Replace Placeholders for user link, avatar link
-		 *
+		 * @deprecated 2.10.5
 		 * @param $replace_placeholders
 		 *
 		 * @return array
 		 */
-		function add_replace_placeholder( $replace_placeholders ) {
-			$replace_placeholders[] = um_get_user_avatar_url();
-			$replace_placeholders[] = um_user_profile_url();
-			$replace_placeholders[] = esc_html__( 'Your set password', 'ultimate-member' );
+		public function add_replace_placeholder( $replace_placeholders ) {
+			_deprecated_function( __METHOD__, '2.10.5' );
 			return $replace_placeholders;
 		}
-
 	}
 }