runtime(tutor): update the tutor files and re-number the chapters

closes: #16110

Signed-off-by: RestorerZ <restorer@mail2k.ru>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/tutor/tutor2.utf-8 b/runtime/tutor/tutor2.utf-8
index eaeef40..b189676 100644
--- a/runtime/tutor/tutor2.utf-8
+++ b/runtime/tutor/tutor2.utf-8
@@ -1,9 +1,7 @@
 ===============================================================================
 =    W e l c o m e   t o   t h e   V I M   T u t o r    -    Version 1.7      =
 ===============================================================================
-=									      =
-=			    C h a p t e r  -  T w o			      =
-=									      =
+=			    C H A P T E R   TWO				      =
 ===============================================================================
 
      Hic Sunt Dracones: if this is your first exposure to vim and you