Revert "component/perl-DBD-MySQL: build with MariaDB Connector/C."

This reverts commit 6902a67f.

component/perl-DBD-MySQL/buildout.cfg

@@ -28,7 +28,7 @@ environment =
 [perl-DBD-mariadb]
 <= perl-DBD-MySQL-common
 configure-command =
-  ${perl:location}/bin/perl Makefile.PL --mysql_config=${mariadb-connector-c:location}/bin/mysql_config
+  ${perl:location}/bin/perl Makefile.PL --mysql_config=${mariadb:location}/bin/mysql_config
 environment =
-  OTHERLDFLAGS=-L${zlib:location}/lib -L${openssl:location}/lib -Wl,-rpath=${zlib:location}/lib -Wl,-rpath=${mariadb-connector-c:location}/lib/mariadb -Wl,-rpath=${openssl:location}/lib
+  OTHERLDFLAGS=-L${zlib:location}/lib -L${openssl:location}/lib -Wl,-rpath=${zlib:location}/lib -Wl,-rpath=${mariadb:location}/lib -Wl,-rpath=${openssl:location}/lib
   PATH=${patch:location}/bin:%(PATH)s