remove linebreak

Author: Chris Cho

source/style-guide/style/punctuation.txt

@@ -63,7 +63,6 @@ Use the following guidelines for colons:
 - "Lowercase or capital letter after a colon. When a colon is used within
   a sentence, as in the first two examples in 6.61, the first word following
   the colon is lowercased unless it is a proper noun.
-
   When a colon introduces two or more sentences or when it introduces
   speech in dialog or a quotation or question, the first word following
   it is capitalized" (from Chicago Manual of Style 6.63, v.17).