kernel-module-split: Remove bbclass, now in oe-core "dylan"

* http://git.openembedded.org/openembedded-core/commit/?id=51928b6b5ca0a46a9dcd754483a19af58b95fa18

[GF-5571] CCC: Upgrade to Yocto 1.4 Dylan

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@lge.com>
Change-Id: Ifee40230eaa95299cf686abb50627e7a94a99179
Reviewed-on: https://g2g.palm.com/2217
Reviewed-by: Martin Jansa <Martin.Jansa@lge.com>
Tested-by: Martin Jansa <Martin.Jansa@lge.com>