Fix bright colors

Remove old code that set bright colors equal to normal colors. This code
was ancient and led to bright colors being unusable. The code originates
from 0e37d8ef86.

functions/colors.zsh

@@ -28,12 +28,8 @@ function termColors() {
 
 # get the proper color code if it does not exist as a name.
 function getColor() {
-  # no need to check numerical values
-  if [[ "$1" = <-> ]]; then
-    if [[ "$1" = <8-15> ]]; then
-      1=$(($1 - 8))
-    fi
-  else
+  # If Color is not numerical, try to get the color code.
+  if [[ "$1" != <-> ]]; then
     # named color added to parameter expansion print -P to test if the name exists in terminal
     local named="%K{$1}"
     # https://misc.flogisoft.com/bash/tip_colors_and_formatting