Refactor 'tpm' script

scripts/helpers.sh

@@ -1,10 +0,0 @@
-get_tmux_option() {
-	local option="$1"
-	local default_value="$2"
-	local option_value="$(tmux show-option -gqv "$option")"
-	if [ -z "$option_value" ]; then
-		echo "$default_value"
-	else
-		echo "$option_value"
-	fi
-}