class/kernel: Don't provide linux-headers package
class/kernel: Don't provide linux-headers package

For linux-headers, use a dedicated linux-headers recipe (using
kernel-headers class).

Signed-off-by: Esben Haabendal <c5ba3f1141bb30a64dd6c7e6726a53a85adc9442@prevas.dk>

hundeboll/core,hundeboll/core,diorcety/oe-lite-core,hundeboll/core,sknsean/core,sknsean/core,sknsean/core,sknsean/core,sknsean/core,diorcety/oe-lite-core,hundeboll/core