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.

1990/baruch/README.md

@@ -4,13 +4,13 @@ Baruch Nissenbaum
 Tel-Aviv University  
 The Faculty of Engineering  
 Tel-Aviv  
-Israel  
+Israel
 
 Doron Osovlanski  
 CADTECH - CAD/CAM Systems Ltd  
 24 Ben-Yosef St.  
 Givat-Shmuel   51905  
-Israel  
+Israel
 
 ## To build: