fix improper use of whitespace in README.md files

The use of the markdown trailing whitespace to indicate
line break should NOT be done when the following line is empty.

This removes such improper use of whitespace in README.md files.

1991/rince/README.md

@@ -6,7 +6,7 @@ University of Warwick
 Wrestlingworth  
 Sandy Beds  
 SG19 2HA  
-England  
+England
 
 ## To build:
 
@@ -52,7 +52,7 @@ enjoyment high.
        ___   hapehfunoyr    |   /\   Qvnzbaqf. Gurl pna rvgure or sbhaq ylvat
       /@@@\    obhyqre      |  <  >  nebhaq (vs bayl!) be znahsnpgher ol chfuvat
       \@@@/                 |   \/   gjb 'pehfunoyr' ebpxf gbtrgure.
-			    |              
+			    |
 
     Gur trareny vqrn bs gur tnzr vf gb pbyyrpg nyy gur qvnzbaqf. Guvf zhfg
     or qbar va gur zvavzhz nzbhag bs zbirf. V'ir nyybjrq n znetva bs 5