stackrc set the LC_ALL to C
It will report 'unknown locale: UTF-8', when the env is UTF-8.
Default set the LC_ALL to C in the stackrc, instead. And delete
the duplicate option in stack.sh.
Closes-Bug: 1499296
Change-Id: I14121b25ac314a1a93e6dd6811e196ce2a7c0eb5
diff --git a/stackrc b/stackrc
index fdde62f..82c6885 100644
--- a/stackrc
+++ b/stackrc
@@ -7,6 +7,13 @@
[[ -z "$_DEVSTACK_STACKRC" ]] || return 0
declare -r _DEVSTACK_STACKRC=1
+# Sanitize language settings to avoid commands bailing out
+# with "unsupported locale setting" errors.
+unset LANG
+unset LANGUAGE
+LC_ALL=C
+export LC_ALL
+
# Find the other rc files
RC_DIR=$(cd $(dirname "${BASH_SOURCE:-$0}") && pwd)