C-API: remove comments

git-svn-id: http://tesseract-ocr.googlecode.com/svn/trunk@1047 d0cd1f9f-072b-0410-8dd7-cf729c803f20
Fixed issues 1093-1097

git-svn-id: http://tesseract-ocr.googlecode.com/svn/trunk@1048 d0cd1f9f-072b-0410-8dd7-cf729c803f20