scripts: Remove tag_oe and tag_bitbake scripts

:Release Notes:
These scripts weren't used by many people.

:Detailed Notes:

:Testing Performed:
Only build tested.

:QA Notes:
No change to image.

:Issues Addressed:
[ES-358] Remove unused scripts from build-<distro>.git

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@lge.com>
Change-Id: I7ce7f7bc624f72a926499ad573232a6f1bdee1d4
Reviewed-on: https://g2g.palm.com/6385
Reviewed-by: DCO Verification
Reviewed-by: Susan Montooth <susan.montooth@lge.com>
Tested-by: Susan Montooth <susan.montooth@lge.com>

Author: shr-project