package/domoticz: drop boost date-time dependency

boost date-time is not a dependency since version 4.9700 and
https://github.com/domoticz/domoticz/commit/a3eacbc987b59dd4aa73ada24a0a6e9a0d27b740

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/domoticz/Config.in

@@ -11,7 +11,6 @@ config BR2_PACKAGE_DOMOTICZ
 	depends on BR2_TOOLCHAIN_SUPPORTS_ALWAYS_LOCKFREE_ATOMIC_INTS # boost-thread
 	depends on !BR2_TOOLCHAIN_HAS_GCC_BUG_64735 # exception_ptr
 	select BR2_PACKAGE_BOOST
-	select BR2_PACKAGE_BOOST_DATE_TIME
 	select BR2_PACKAGE_BOOST_SYSTEM
 	select BR2_PACKAGE_BOOST_THREAD
 	select BR2_PACKAGE_JSONCPP