Revert "Merge #101508: libraw: 0.20.0 -> 0.20.2"

I'm sorry; I didn't notice it contained staging commits.

This reverts commit 17f5305b6c, reversing
changes made to a8a018ddc0.

pkgs/development/compilers/gcc/builder.sh

@@ -287,12 +287,7 @@ postInstall() {
     done
 
     # Two identical man pages are shipped (moving and compressing is done later)
-    for i in "$out"/share/man/man1/*g++.1; do
-        if test -e "$i"; then
-            man_prefix=`echo "$i" | sed "s,.*/\(.*\)g++.1,\1,"`
-            ln -sf "$man_prefix"gcc.1 "$i"
-        fi
-    done
+    ln -sf gcc.1 "$out"/share/man/man1/g++.1
 }
 
 genericBuild