Remove DEVEL conditional define

I find no reason to turn off devel package creation. It can be ignored
if required, but is mandatory due to Fedora packaging guidelines.
Simplify it a bit.

bind.spec

@@ -14,7 +14,6 @@
 # it is not possible to build the package without PKCS11 sub-package
 # due to extensive changes to Makefiles
 %bcond_without PKCS11
-%bcond_without DEVEL
 %bcond_without JSON
 %bcond_without DLZ
 # New MaxMind GeoLite support
@@ -308,7 +307,6 @@ revocation and verification of keys and DNSSEC signatures in zone files.
 You should install bind-dnssec-utils if you need to sign a DNS zone
 or maintain keys for it.
 
-%if %{with DEVEL}
 %package devel
 Summary:  Header files and libraries needed for BIND DNS development
 Obsoletes:bind-libbind-devel < 31:9.3.3-4.fc7
@@ -331,7 +329,6 @@ Requires:  fstrm-devel%{?_isa} protobuf-c-devel%{?_isa}
 %endif
 %if %{with GEOIP2}
 Requires:  libmaxminddb-devel%{?_isa}
-%endif
 
 %description devel
 The bind-devel package contains full version of the header files and libraries
@@ -736,12 +733,6 @@ popd
 # Remove libtool .la files:
 find ${RPM_BUILD_ROOT}/%{_libdir} -name '*.la' -exec '/bin/rm' '-f' '{}' ';';
 
-# Remove -devel files out of buildroot if not needed
-%if %{without DEVEL}
-rm -f ${RPM_BUILD_ROOT}/%{_libdir}/bind9/*.so
-rm -rf ${RPM_BUILD_ROOT}/%{_includedir}/bind9
-%endif
-
 # PKCS11 versions manpages
 %if %{with PKCS11}
 pushd ${RPM_BUILD_ROOT}%{_mandir}/man8
@@ -1057,7 +1048,6 @@ fi;
 %exclude %{_mandir}/man8/dnssec*-pkcs11.8*
 %endif
 
-%if %{with DEVEL}
 %files devel
 %{_libdir}/libbind9.so
 %{_libdir}/libisccc.so
@@ -1078,7 +1068,6 @@ fi;
 %dir %{_includedir}/bind9/pk11
 %{_includedir}/bind9/pk11/site.h
 %{_includedir}/bind9/isccfg
-%endif
 
 %files chroot
 %config(noreplace) %{_sysconfdir}/named-chroot.files