librsync: drop recipe
librsync: drop recipe

The recipe is now in meta-oe [1]

[1] - http://cgit.openembedded.org/meta-openembedded/tree/meta-oe/recipes-support/librsync/librsync_2.2.1.bb?h=master

Signed-off-by: Pierre-Jean Texier <188dcb29e125b35642aafd9b1cc33149502c1da3@koncepto.io>
Acked-by: Stefano Babic <2c2905e0c2877c7e4ce40c7425e972302953fda5@denx.de>

sbabic/meta-swupdate,sbabic/meta-swupdate