linux-yocto: drop manual class inclusion

As all platforms now specify relevant kernel classes in machine conf
file, drop those ugly inherits from the linux-yocto bbappend.

Signed-off-by: Dmitry Baryshkov <[email protected]>

Author: lumag

recipes-kernel/linux/linux-yocto_%.bbappend

@@ -9,13 +9,3 @@ FILESEXTRAPATHS:prepend:qcom := "${THISDIR}/${PN}-${BASEVER}:"
 SRC_URI:append:qcom = " \
     file://qcom.scc \
 "
-
-# For boot.img
-QCOM_BOOTIMG = ""
-QCOM_BOOTIMG:qcom = "linux-qcom-bootimg"
-inherit ${QCOM_BOOTIMG}
-
-# For dtb.bin
-QCOM_DTBBIN = ""
-QCOM_DTBBIN:qcom = "linux-qcom-dtbbin"
-inherit ${QCOM_DTBBIN}