Description of problem:
/etc/profile.d/lang.sh by default sets LANG=en_US for unsuspecting users

Version-Release number of selected component (if applicable):
initscripts-6.67-1

How reproducible:
100% reproducable

Steps to Reproduce:
1. Install Red Hat.
2. Log in.
3. echo $LANG
    
Actual results:
en_US

Expected results:
[...nothing...]

Additional info:
By setting LANG=en_US by default you are choosing a dictionary sort order for
users without letting users know this is what is happening.  There is never
the ability to select POSIX or C as the default LANG.  At install time you
should give users the ability to select C or POSIX as the default.

Setting LANG automatically to a dictionary sort order locale causes all
commands using strcoll(3) to sort in a dictionary sort order which folds
case and ignores punctuation characters resulting in a surprising and
non-standard sort ordering which users are not expecting.  This violates
the principle of least surprise.