[CHORE] Fix issue with line ending chars in .gitattributes (typescrip…

…t-eslint#252)

When user has `git core.autocrlf` set to crlf on windows machines there are collisions between `eslint-docs` and `prettier` due to inconsistent line endings in md files.

fixes: typescript-eslint#249

packages/eslint-plugin-typescript/.gitattributes

@@ -1,8 +1,4 @@
 # avoids End-of-line problems for Windows Devs
 # automatically converts crlf -> lf
 #   (linters can turn off their line-ending checks)
-*.ts text eol=lf
-*.tsx text eol=lf
-*.js text eol=lf
-*.jsx text eol=lf
-*.d.ts text eol=lf
+* text eol=lf