configure: remove ${config_host_ld} variable

It was only used in one place (and already expanded in one other).
Signed-off-by: NEd Maste <emaste@freebsd.org>
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>

configure

@@ -3556,7 +3556,6 @@ echo "-> Your SDL version is too old - please upgrade to have SDL support"
 fi
 
 config_host_mak="config-host.mak"
-config_host_ld="config-host.ld"
 
 echo "# Automatically generated by configure - do not modify" >config-all-disas.mak
 
@@ -4071,7 +4070,7 @@ if test "$gcov" = "yes" ; then
 fi
 
 # generate list of library paths for linker script
-$ld --verbose -v 2> /dev/null | grep SEARCH_DIR > ${config_host_ld}
+$ld --verbose -v 2> /dev/null | grep SEARCH_DIR > config-host.ld
 
 # use included Linux headers
 if test "$linux" = "yes" ; then