implement freelancer alias deletion

src/database.cpp

@@ -462,6 +462,18 @@ namespace Database {
         work.commit();
         return result;
     }
+
+    /*
+     * Executes the prepared statement DELETE_FREELANCER_ALIAS
+     * Deletes the entry for a reset key based on a freelancer email and the alias name
+     * Takes an open pqxx::connection and the freelancers email
+     */
+    void executePreparedStatement_DELETE_FREELANCER_ALIAS(pqxx::connection &connection, const std::string& aliasName, const std::string& freelancerEmail) {
+        pqxx::work work(connection);
+        work.exec_prepared(PREPARED_STATEMENT_DELETE_FREELANCER_ALIAS, aliasName, freelancerEmail);
+        work.commit();
+    }
+
     /*
      * Executes the prepared statement UPDATE_LOGIN_VALIDATION_KEY
      * Takes an open pqxx::connection, the freelancerID and the loginKey to update the entry