To conform to convention, removed a newline.

git-svn-id: https://tufte-latex.googlecode.com/svn/trunk@150 516e2f36-ce3a-0410-bea4-1d4a03f5df72

README.txt

@@ -25,7 +25,6 @@ The sample book can be compiled with the following:
  pdflatex sample-book
  pdflatex sample-book
 
-
 == Troubleshooting
 
 If you encounter errors of the form,