bblayers.conf: Delete meta-efl and meta-ruby
bblayers.conf: Delete meta-efl and meta-ruby

There are deleted in meta-openembedded repo too

Signed-off-by: Khem Raj <729d64b6f67515e258459a5f6d20ec88b2caf8df@gmail.com>

cbrake/oe-build,kraj/oe-build