refactor(uncrustify): set maximum number of consecutive newlines to 2 (#18695)

src/nvim/ui.c

@@ -182,7 +182,6 @@ void ui_event(char *name, Array args)
   }
 }
 
-
 void ui_refresh(void)
 {
   if (!ui_active()) {
@@ -533,7 +532,6 @@ void ui_flush(void)
   ui_call_flush();
 }
 
-
 /// Check if 'mouse' is active for the current mode
 ///
 /// TODO(bfredl): precompute the State -> active mapping when 'mouse' changes,