Moved grep options to GREP_OPTIONS

Because using alias pollutes ps -f output.

dotfiles/bash/global-before.bashrc

@@ -14,7 +14,6 @@ export GLOBIGNORE=.:..
 
 # some more aliases
 alias ll='ls -lh'
-alias grep='grep --color --binary-files=without-match'
 alias open='gnome-open'
 alias diff='diff -u'
 
@@ -22,6 +21,8 @@ alias diff='diff -u'
 ### OTHERS ###
 ### '''''' ###
 
+export GREP_OPTIONS="--color --binary-files=without-match"
+
 # make green git bash trinket even cooler
 export GIT_PS1_SHOWDIRTYSTATE=true
 export GIT_PS1_SHOWUNTRACKEDFILES=true