Update password reset instructions (#311)

Removed old method for password reset and updated instructions for the new method.

source/additional_information/password_reset.md

@@ -13,17 +13,10 @@ make a new superadmin user name and password.
 1.  Move the config.conf file temporarily to a different Folder. Run
     these commands from the server console or using SSH.
 
-### New Method :
 ```
     cd /etc/fusionpbx
     mv config.conf config.conf.backup
 ```
-
-### Old Method :
-```
-    cd /etc/fusionpbx
-    mv config.php config.backup.php
-```
 <br>
 
 :::{note}
@@ -53,9 +46,10 @@ examples:
     filled in, click next.
 ```
     cat /etc/fusionpbx/config.conf.backup | grep password
-    $db_password = 'yourDatabasePassword';
 ```
 
+- Result: $db_password = 'yourDatabasePassword';
+
 ![image](../_static/images/fusionpbx_database_configuration.jpg)
 
 You should now have a new config.conf file in the /etc/fusionpbx/