Resolves: #1947850 - drop the last use of ncurses no longer needed

We do not install or maintain /etc/DIR_COLORS.256color any more.

coreutils-colorls.csh

@@ -15,11 +15,6 @@ alias l. 'ls -d .*'
 set COLORS=/etc/DIR_COLORS
 
 if ($?TERM) then
-  if ( -e "/etc/DIR_COLORS.256color" && -e "/usr/bin/tput" ) then
-    if ( "`/usr/bin/tput colors`" == "256" ) then
-       set COLORS=/etc/DIR_COLORS.256color
-    endif
-  endif
   if ( -e "/etc/DIR_COLORS.$TERM" ) then
      set COLORS="/etc/DIR_COLORS.$TERM"
   endif

coreutils-colorls.sh

@@ -22,10 +22,6 @@ if [ -z "$USER_LS_COLORS" ]; then
   [ -z "$COLORS" ] && [ -e "/etc/DIR_COLORS.$TERM" ] && \
   COLORS="/etc/DIR_COLORS.$TERM"
 
-  [ -z "$COLORS" ] && [ -e "/etc/DIR_COLORS.256color" ] && \
-  [ "x`/usr/bin/tty -s && /usr/bin/tput colors 2>/dev/null`" = "x256" ] && \
-  COLORS="/etc/DIR_COLORS.256color"
-
   [ -z "$COLORS" ] && [ -e "/etc/DIR_COLORS" ] && \
   COLORS="/etc/DIR_COLORS"
 

coreutils.spec

@@ -162,7 +162,6 @@ Obsoletes: %{name} < 8.24-100
 # info doc refers to "Specifying the Time Zone" from glibc-doc (#959597)
 Recommends: glibc-doc
 
-Recommends: ncurses
 Summary:  coreutils common optional components
 %description common
 Optional though recommended components,
@@ -310,6 +309,7 @@ rm -f $RPM_BUILD_ROOT%{_infodir}/dir
 
 %changelog
 * Fri Apr 09 2021 Kamil Dudka <kdudka@redhat.com> - 8.32-22
+- drop the last use of ncurses no longer needed (#1830318)
 - utimens: fix confusing arg type in internal func
 
 * Fri Mar 26 2021 Kamil Dudka <kdudka@redhat.com> - 8.32-21