Remove IE width hack

twbs/bootstrap#13996
Added PR from original twbs bootstrap repo to fix issues with tooltip placements.
@see https://github.com/twbs/bootstrap/pull/13718/files
Merge branch 'patches' of github.com:gridonic/bootstrap-sass into patches

* 'patches' of github.com:gridonic/bootstrap-sass:
  Added PR from original twbs bootstrap repo to fix issues with tooltip placements. @see https://github.com/twbs/bootstrap/pull/13718/files