bitbake: toaster: do not terminate bb server

bitbake: toaster: do not terminate bb server

Toaster needs bb server to be running all the time due
to merged analysis and managed modes. Server gets restarted
before every build triggered by UI, but it shouldn't be
terminated as it will influence command line builds.

[YOCTO #8279]

(Bitbake rev: e69c87c7842e796ffcd7193ecde22c8f688498f5)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: brian avery <avery.brian@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>