Remove unneeded dependency on xmlto

mariadb-connector-c.spec

@@ -1,6 +1,6 @@
 Name:           mariadb-connector-c
 Version:        3.0.2
-Release:        20%{?dist}
+Release:        21%{?dist}
 Summary:        The MariaDB Native Client library (C driver)
 Group:          Applications/Databases
 License:        LGPLv2+
@@ -33,7 +33,6 @@ developed in C/C++ to MariaDB and MySQL databases.
 %package devel
 Summary:        Development files for mariadb-connector-c
 Group:          Development/Libraries
-BuildRequires:  xmlto
 Requires: %{name} = %{version}-%{release}
 # avoid issues with openssl1.0 / openssl1.1 / compat
 Requires:       pkgconfig(openssl)
@@ -156,6 +155,9 @@ end
 #   https://jira.mariadb.org/browse/MDEV-13836
 
 %changelog
+* Mon Nov 27 2017 Honza Horak <hhorak@redhat.com> - 3.0.2-21
+- Remove unneeded dependency on xmlto
+
 * Tue Nov 14 2017 Pavel Raiskup <praiskup@redhat.com> - 3.0.2-19
 - drop misleading provides