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 Job ID Name Coverage
  Build
passed #327889
librem5
build:aarch64

00:47:10

passed #327890
librem5:arm64
build:deb

01:05:08