yocto-bsp: drop 4.12 bbappend

4.18 is replacing 4.12 as the latest kernel in the upcoming
release, so we drop this dangling bbappend.

(From meta-yocto rev: 6686fbad03d8de5d29d58aae149e253474336d5f)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta-yocto-bsp/recipes-kernel/linux/linux-yocto_4.12.bbappend

@@ -1,28 +0,0 @@
-KBRANCH_genericx86  = "standard/base"
-KBRANCH_genericx86-64  = "standard/base"
-
-KMACHINE_genericx86 ?= "common-pc"
-KMACHINE_genericx86-64 ?= "common-pc-64"
-KBRANCH_edgerouter = "standard/edgerouter"
-KBRANCH_beaglebone-yocto = "standard/beaglebone"
-KMACHINE_beaglebone-yocto = "beaglebone"
-KBRANCH_mpc8315e-rdb = "standard/fsl-mpc8315e-rdb"
-
-SRCREV_machine_genericx86    ?= "7e7ac3f0fda9707e94b3311a4510ae080cd86238"
-SRCREV_machine_genericx86-64 ?= "7e7ac3f0fda9707e94b3311a4510ae080cd86238"
-SRCREV_machine_edgerouter ?= "89e003746eee54e86bc78e1170e7029d6597b583"
-SRCREV_machine_beaglebone-yocto ?= "89e003746eee54e86bc78e1170e7029d6597b583"
-SRCREV_machine_mpc8315e-rdb ?= "7080a5fe6af338576207fff999ea2ca35e689997"
-
-
-COMPATIBLE_MACHINE_genericx86 = "genericx86"
-COMPATIBLE_MACHINE_genericx86-64 = "genericx86-64"
-COMPATIBLE_MACHINE_edgerouter = "edgerouter"
-COMPATIBLE_MACHINE_beaglebone-yocto = "beaglebone-yocto"
-COMPATIBLE_MACHINE_mpc8315e-rdb = "mpc8315e-rdb"
-
-LINUX_VERSION_genericx86 = "4.12.24"
-LINUX_VERSION_genericx86-64 = "4.12.24"
-LINUX_VERSION_edgerouter = "4.12.24"
-LINUX_VERSION_beaglebone-yocto = "4.12.24"
-LINUX_VERSION_mpc8315e-rdb = "4.12.24"