enter_chroot: drop C.UTF-8 check

Our glibc supports this locale now, so we don't have to hack it.

BUG=b:187791203
TEST=CQ passes

Change-Id: I3c71fc5221e29ff2b9b0fb91fbaeb0ffbabae70d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosutils/+/3253905
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
diff --git a/sdk_lib/enter_chroot.sh b/sdk_lib/enter_chroot.sh
index e55672f..0f643e4 100755
--- a/sdk_lib/enter_chroot.sh
+++ b/sdk_lib/enter_chroot.sh
@@ -701,20 +701,6 @@
   ) 200>>"$LOCKFILE" || die "setup_env failed"
 }
 
-# Translate C.UTF-8 into something we support. Remove this when our glibc
-# starts supporting C.UTF-8. https://bugzilla.redhat.com/show_bug.cgi?id=902094
-for var in LANG \
-  LC_{ADDRESS,ALL,COLLATE,CTYPE,IDENTIFICATION,MEASUREMENT,MESSAGES} \
-  LC_{MONETARY,NAME,NUMERIC,PAPER,TELEPHONE,TIME}; do
-  if [[ ${!var} =~ C\.[Uu][Tt][Ff]-?8 ]]; then
-    if [[ ${var} == LC_COLLATE ]]; then
-      export LC_COLLATE=C
-    else
-      export ${var}=en_US.UTF-8
-    fi
-  fi
-done
-
 check_locale
 setup_env