bluez: Update to 5.50

Update bluez to 5.50
Remove Nicolas Thill as maintainer since he hasn't replied to numerous of
reviews requests for several packages within months.
Drop obsolete configuration file
Add patch for LE devices

Source: https://git.archlinux.org/svntogit/packages.git/plain/trunk/refresh_adv_manager_for_non-LE_devices.diff?h=packages/bluez

Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>

utils/bluez/files/bluetooth.config

@@ -1,15 +0,0 @@
-config bluetoothd
-#	option config	/etc/bluetooth/main.conf
-	option enabled	1
-
-config hciattach
-	option initspeed	115200
-	option tty	ttyS1
-	option type	csr
-	option speed	115200
-	option flow	noflow
-	option enabled 	0
-
-config rfcomm
-#	option config	/etc/bluetooth/rfcomm.conf
-	option enabled	0