Remove vim modeline; this should go into ~/.vimrc

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21848 91177308-0d34-0410-b5e6-96231b3b80d8

docs/ProgrammersManual.html

@@ -2241,5 +2241,3 @@ arguments. An argument has a pointer to the parent Function.</p>
 
 </body>
 </html>
-<!-- vim: sw=2 noai
--->