There is no need to set KERNEL_DIR anymore now linux-mod-r1 is fixed

Signed-off-by: James Le Cuirot <jlecuirot@microsoft.com>

Author: chewi

sdk_container/src/third_party/coreos-overlay/coreos/config/env/sys-fs/zfs-kmod

@@ -1,6 +1,3 @@
-: ${MODULES_ROOT:=$(echo ${SYSROOT}/lib/modules/*)}
-KERNEL_DIR="${MODULES_ROOT}/build"
-
 # This addresses an issue with the kernel version compatibility check
 #  when installing zfs-kmod to /build/<arch> (e.g. via build_packages)
 #  from its binpkg (i.e. not recompiling it).

sdk_container/src/third_party/coreos-overlay/coreos/config/env/x11-drivers/nvidia-drivers

@@ -1,6 +1,3 @@
-: ${MODULES_ROOT:=$(echo ${SYSROOT}/lib/modules/*)}
-KERNEL_DIR="${MODULES_ROOT}/build"
-
 # This addresses an issue with the kernel version compatibility check
 #  when installing zfs-kmod to /build/<arch> (e.g. via build_packages)
 #  from its binpkg (i.e. not recompiling it).