Remove webos_machine_dep from some recipes which doesn't need it

Signed-off-by: Simon Busch <morphis@gravedo.de>
luna-sysmgr-common: drop -Wl,-soname fixup

Fixing up the Makefile isn't needed with qt5 anymore and is causing issues with a invalid
soname being set for the library.

Signed-off-by: Simon Busch <morphis@gravedo.de>
luna-next: bump SRCREV and change QML plugin path

Signed-off-by: Simon Busch <morphis@gravedo.de>