remove unneeded code from install script and env.sh

extras.sh

@@ -142,10 +142,6 @@ install_mambaforge() {
         return
     fi
 
-    echo "#####################"
-    echo  installing mambaforge
-    echo "#####################"
-
     echo "fetching install script from github"
 
     current_dir=$PWD

system/env.sh

@@ -9,7 +9,7 @@ export HISTFILESIZE="${HISTSIZE}";
 export SAVEHIST=4096
 export HISTCONTROL=ignoredups:erasedups
 
-export LESS='-R --use-color'
+export LESS='-R'
 
 # Append to the history file, rather than overwriting it
 setopt APPEND_HISTORY