nerdctl: drop redundent 'qcom-distro-sota' overrides

Since all QCOM distros now share the common `qcom-distro` override,
drop redundent `qcom-distro-sota` override checks to simplify recipe.

Signed-off-by: Viswanath Kraleti <viswanath.kraleti@oss.qualcomm.com>

Author: vkraleti

recipes-containers/nerdctl/nerdctl_%.bbappend

@@ -1,6 +1,5 @@
 # Go binaries on ARMv7 are built in a strange way
 INSANE_SKIP:${PN}:append:arm:qcom-distro = " textrel"
-INSANE_SKIP:${PN}:append:arm:qcom-distro-sota = " textrel"
 
 # workaround for permissions preventing rm_work to succeed
 do_rm_work:prepend:qcom-distro() {
@@ -9,8 +8,3 @@ do_rm_work:prepend:qcom-distro() {
     fi
 }
 
-do_rm_work:prepend:qcom-distro-sota() {
-    if [ -d ${UNPACKDIR} ] ; then
-        chmod u+w ${UNPACKDIR} -R
-    fi
-}