spec.sh: fix modem assigngrp

do not overwrite assigngrp with wrong value

ALSO: WHY ARE THERE TWO SPEC.SH?

Signed-off-by: Christoph Ostarek <[email protected]>
(cherry picked from commit 590de3f)

Author: christoph-zededa

pkg/debug/spec.sh

@@ -324,7 +324,6 @@ print_usb_devices() {
         then
             cost=10
             assigngrp="modem${busAndPort}"
-            assigngrp=$(get_assignmentgroup "${ifname}" "${pciaddr}")
             ztype="IO_TYPE_WWAN"
             labelprefix="WWAN"
         fi

pkg/installer/spec.sh

@@ -328,7 +328,6 @@ print_usb_devices() {
         then
             cost=10
             assigngrp="modem${busAndPort}"
-            assigngrp=$(get_assignmentgroup "${ifname}" "${pciaddr}")
             ztype="IO_TYPE_WWAN"
             labelprefix="WWAN"
         fi