get rid of legacy file grants_proxies_kamailio

- we don't need it, see https://bugtracker.sipwise.com/view.php?id=1071#c5435

db_scripts/base/0080_grants_dbs.template

@@ -4,6 +4,11 @@ GRANT SELECT ON provisioning.voip_subscribers TO 'nagios'@'localhost' IDENTIFIED
 
 GRANT SELECT ON kamailio.* TO 'kamailioro'@'localhost' IDENTIFIED BY 'PW_KAMAILIORO';
 GRANT ALL ON kamailio.* TO 'kamailio'@'localhost' IDENTIFIED BY 'PW_KAMAILIORW';
+GRANT SELECT ON provisioning.voip_peer_hosts TO 'kamailio'@'localhost' IDENTIFIED BY 'PW_KAMAILIORW';
+GRANT SELECT ON billing.ncos_levels TO 'kamailio'@'localhost' IDENTIFIED BY 'PW_KAMAILIORW';
+GRANT SELECT ON billing.ncos_lnp_list TO 'kamailio'@'localhost' IDENTIFIED BY 'PW_KAMAILIORW';
+GRANT SELECT ON billing.ncos_pattern_list TO 'kamailio'@'localhost' IDENTIFIED BY 'PW_KAMAILIORW';
+GRANT SELECT ON billing.lnp_numbers TO 'kamailio'@'localhost' IDENTIFIED BY 'PW_KAMAILIORW';
 
 GRANT ALL ON accounting.* TO 'mediator'@'localhost' IDENTIFIED BY 'PW_MEDIATOR';
 GRANT SELECT ON provisioning.* TO 'mediator'@'localhost' IDENTIFIED BY 'PW_MEDIATOR';

db_scripts/base/0090_grants_proxies_kamailio.template

@@ -1,11 +0,0 @@
-GRANT SELECT ON mysql.* TO 'nagios'@'localhost' IDENTIFIED BY 'PW_CHECKTOOL';
-GRANT SELECT ON kamailio.location TO 'nagios'@'localhost' IDENTIFIED BY 'PW_CHECKTOOL';
-
-GRANT SELECT ON kamailio.* TO 'kamailioro'@'localhost' IDENTIFIED BY 'PW_KAMAILIORO';
-GRANT ALL ON kamailio.* TO 'kamailio'@'localhost' IDENTIFIED BY 'PW_KAMAILIORW';
-
-GRANT SELECT ON provisioning.voip_peer_hosts TO 'kamailio'@'localhost' IDENTIFIED BY 'PW_KAMAILIORW';
-GRANT SELECT ON billing.ncos_levels TO 'kamailio'@'localhost' IDENTIFIED BY 'PW_KAMAILIORW';
-GRANT SELECT ON billing.ncos_lnp_list TO 'kamailio'@'localhost' IDENTIFIED BY 'PW_KAMAILIORW';
-GRANT SELECT ON billing.ncos_pattern_list TO 'kamailio'@'localhost' IDENTIFIED BY 'PW_KAMAILIORW';
-GRANT SELECT ON billing.lnp_numbers TO 'kamailio'@'localhost' IDENTIFIED BY 'PW_KAMAILIORW';