Revert "Merge branch 'staging-next'"

This reverts commit 41af38f372, reversing
changes made to f0fec244ca.

Let's delay this.  We have some serious regressions.

pkgs/servers/monitoring/plugins/default.nix

@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub, fetchpatch, autoreconfHook
 , coreutils, gnugrep, gnused, lm_sensors, net_snmp, openssh, openssl, perl
-, dnsutils, libdbi, libmysqlclient, zlib, openldap, procps
+, dnsutils, libdbi, mysql, zlib, openldap, procps
 , runtimeShell }:
 
 with stdenv.lib;
@@ -48,7 +48,7 @@ in stdenv.mkDerivation {
   '';
 
   # !!! make openssh a runtime dependency only
-  buildInputs = [ dnsutils libdbi libmysqlclient net_snmp openldap openssh openssl perl procps zlib ];
+  buildInputs = [ dnsutils libdbi mysql net_snmp openldap openssh openssl perl procps zlib ];
 
   nativeBuildInputs = [ autoreconfHook ];
 

pkgs/servers/monitoring/zabbix/proxy.nix

@@ -3,7 +3,7 @@
 , snmpSupport ? true, net_snmp
 , sshSupport ? true, libssh2
 , sqliteSupport ? false, sqlite
-, mysqlSupport ? false, libmysqlclient
+, mysqlSupport ? false, mysql
 , postgresqlSupport ? false, postgresql
 }:
 
@@ -37,7 +37,7 @@ in
       ++ optional snmpSupport net_snmp
       ++ optional sqliteSupport sqlite
       ++ optional sshSupport libssh2
-      ++ optional mysqlSupport libmysqlclient
+      ++ optional mysqlSupport mysql.connector-c
       ++ optional postgresqlSupport postgresql;
 
       configureFlags = [

pkgs/servers/monitoring/zabbix/server.nix

@@ -4,7 +4,7 @@
 , odbcSupport ? true, unixODBC
 , snmpSupport ? true, net_snmp
 , sshSupport ? true, libssh2
-, mysqlSupport ? false, libmysqlclient
+, mysqlSupport ? false, mysql
 , postgresqlSupport ? false, postgresql
 }:
 
@@ -40,7 +40,7 @@ in
       ++ optional ldapSupport openldap
       ++ optional snmpSupport net_snmp
       ++ optional sshSupport libssh2
-      ++ optional mysqlSupport libmysqlclient
+      ++ optional mysqlSupport mysql.connector-c
       ++ optional postgresqlSupport postgresql;
 
       configureFlags = [