ed: remove infodir

* unlike 0.5 version, this doesn't use autotools.bbclass which removes infodir automatically
* fixes QA warning:
  ed-1.9: The /usr/share/info/dir file is not meant to be shipped in a particular package.

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
gcc-target: remove infodir

* it uses autotools but doesn't call autotools_do_install
* fixes QA warning:
  gcc-4.8.2: The /usr/share/info/dir file is not meant to be shipped in a particular package.

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>