fix aliases that hard-coded /bin/ls

.aliases

@@ -73,20 +73,20 @@ alias sl='ls'
 
 
 # List all files colorized in long format
-alias l="/bin/ls -lhAF ${colorflag}"
+alias l="ls -lhAF ${colorflag}"
 alias ll="l"
 
 # List all files colorized in long format, including dot files
 alias la="l -a"
 
 # List only directories
-alias lsd="/bin/ls -lF ${colorflag} | grep --color=never '^d'"
+alias lsd="ls -lF ${colorflag} | grep --color=never '^d'"
 
 
 alias lr='ls -r' # reverse
 alias llr='ll -r' # reverse
 
-alias lt='/bin/ls -lhAFt -G' # time
+alias lt='ls -lhAFt -G' # time
 
 alias lt='ls -t' # time
 alias llt='ll -t' # time