Revert "updated UserModel"

This reverts commit 00c0914f81.

app/Models/Aauth/UserModel.php

@@ -122,6 +122,18 @@ class UserModel extends Model
 		}
 	}
 
+	/**
+	 * Update
+	 */
+	public function update($id = null, $data = null)
+	{
+		$this->validationRules['email']    = 'if_exist|valid_email|is_unique[' . $this->table . '.email,id,{id}]';
+		$this->validationRules['password'] = 'if_exist|min_length[' . $this->config->passwordMin . ']|max_length[' . $this->config->passwordMax . ']';
+		$this->validationRules['username'] = 'if_exist|is_unique[' . $this->table . '.username,id,{id}]|regex_match[/' . $this->config->userRegexPattern . '/]';
+
+		return parent::update($id, $data);
+	}
+
 	/**
 	 * Update last login by User ID
 	 *