package/kodi: remove libatomic from linker flags

Kodi added detection for atomic/libatomic with commit
https://github.com/xbmc/xbmc/commit/1673f476b802da1da942cef256cae6272fdf9a4b
so we can remove our own code to handle the dependency.

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 31e7ca602686f936a7ca9baa6830f16d9744e429)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/kodi/kodi.mk

@@ -205,11 +205,6 @@ else
 KODI_CONF_OPTS += -D_AVX2_OK=OFF -D_AVX2_TRUE=OFF
 endif
 
-# mips: uses __atomic_load_8
-ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
-KODI_CONF_OPTS += -DCMAKE_EXE_LINKER_FLAGS=-latomic
-endif
-
 ifeq ($(BR2_TOOLCHAIN_GCC_AT_LEAST_5),)
 KODI_C_FLAGS += -std=gnu99
 endif