clean up old obsoletes/conflicts

Note that timezone here is switchedd off by bcond, we have a separate timezone package

glibc.spec

@@ -247,10 +247,6 @@ Requires(post):	filesystem
 # The dynamic linker supports DT_GNU_HASH
 Provides:	rtld(GNU_HASH)
 Provides:	should-restart = system
-Obsoletes:	glibc-profile
-# Old prelink versions breaks the system with glibc 2.11
-Conflicts:	prelink < 1:0.4.2-1.20091104.1mdv2010.1
-Conflicts:	kernel < %{enablekernel}
 
 # Don't try to explicitly provide GLIBC_PRIVATE versioned libraries
 %global __filter_GLIBC_PRIVATE 1
@@ -265,7 +261,6 @@ Provides:	ld.so.1
 %rename		%{libnssfiles}
 # FIXME remove at some point
 Provides:	/sbin/ldconfig
-Obsoletes:	nss_db
 
 %if ! %{with locales}
 # Fake it to keep build roots working with temporary
@@ -869,7 +864,6 @@ those files.
 %package -n %{multilibc}
 Summary:	The GNU libc libraries
 Group:		System/Libraries
-Conflicts:	glibc < 2.14.90-13
 Requires:	%{name} = %{EVRD}
 
 %transfiletriggerin -p <lua> -- %{_prefix}/lib/gconv
@@ -1163,7 +1157,6 @@ to use the internationalization features of the GNU libc.
 %package -n timezone
 Summary:	Time zone descriptions
 Group:		System/Base
-Obsoletes:	zoneinfo
 
 %description -n timezone
 These are configuration files that describe possible time zones.