Removed duplicate lines in .gitattributes

Author: JakeGinnivan

.gitattributes

@@ -27,15 +27,3 @@ packages/**/*.* binary
 *.vbproj text eol=crlf merge=union
 *.fsproj text eol=crlf merge=union
 *.dbproj text eol=crlf merge=union
-
-# Standard to msysgit
-*.doc	 diff=astextplain
-*.DOC	 diff=astextplain
-*.docx diff=astextplain
-*.DOCX diff=astextplain
-*.dot  diff=astextplain
-*.DOT  diff=astextplain
-*.pdf  diff=astextplain
-*.PDF	 diff=astextplain
-*.rtf	 diff=astextplain
-*.RTF	 diff=astextplain