Simplify error checking

bin/omarchy-cmd-screensaver

@@ -2,22 +2,14 @@
 
 trap "exit" SIGINT
 
-screensaver() {
+if command -v tte &>/dev/null; then
   while true; do
     effect=$(tte 2>&1 | grep -oP '{\K[^}]+' | tr ',' ' ' | tr ' ' '\n' | sed -n '/^beams$/,$p' | sort -u | shuf -n1)
     tte -i ~/.local/share/omarchy/logo.txt \
       --frame-rate 240 --canvas-width 0 --canvas-height $(($(tput lines) - 2)) --anchor-canvas c --anchor-text c \
       "$effect"
   done
-}
-
-if command -v tte &>/dev/null; then
-  screensaver
 else
-  if command -v pip &>/dev/null; then
-    pip install terminaltexteffects
-    screensaver
-  else
-    gum spin --title "Can't find tte or pip. Install pip, then try: pip install terminaltexteffects" -- sleep 2
-  fi
-fi
+  gum spin --title "Can't find tte. Try: pip install terminaltexteffects" -- sleep 2
+fi
+