librem5: Drop wwan and wifi hks for the moment

g-s-d gets confused since

Signed-off-by: Guido Günther <guido.gunther@puri.sm>
2 jobs for mrs/rfkill in 65 minutes and 8 seconds (queued for 1 second)
Status Name Job ID Coverage
  Build
passed build:aarch64 #327889
librem5

00:47:10

passed build:deb #327890
librem5:arm64

01:05:08