Revert "Use synchronized-output mode."

This reverts commit 50039ab.

I can't see a performance improvement (because drawing is already fast, I guess), and checking to see if the terminal supports it requires a delay.

Author: Kodiologist

simalq/main.hy

@@ -197,12 +197,9 @@
   (B.inkey :esc-delay .01))
 
 (defn print-full-screen [#* output]
-  (setv output (+ B.home (.join "" output)))
-  (with [(.synchronized-output B :timeout .05)]
-    ; .05 s may well be too little time for SSH, but making the user
-    ; not wait too long for a local terminal that just isn't
-    ; responding, as is the more common case, is more important.
-    (print :flush T :end "" output)))
+  (print
+    :flush T :end "" :sep ""
+    B.home #* output))
 
 ;; --------------------------------------------------------------
 ;; ** The main loop for IO