patch 8.2.3699: the +title feature adds a lot of #ifdef but little code

Problem:    The +title feature adds a lot of #ifdef but little code.
Solution:   Graduate the +title feature.
diff --git a/src/ui.c b/src/ui.c
index b3d125c..524eb82 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -1175,11 +1175,10 @@
 	    gui_update_scrollbars(FALSE);
 # endif
     }
-#ifdef FEAT_TITLE
+
     // File may have been changed from 'readonly' to 'noreadonly'
     if (need_maketitle)
 	maketitle();
-#endif
 }
 
 #if defined(HAVE_INPUT_METHOD) || defined(PROTO)