Revert "Export ril related flag to soong"

This reverts commit 1fa6cb9.

Author: micky387

core/android_soong_config_vars.mk

@@ -201,12 +201,3 @@ $(call soong_config_set_bool,gralloc,target_use_pan_display,$(if $(filter true,$
 
 # Add use_camera_v4l2_hal flag for hardware/libhardware/modules/camera/3_4:camera.v4l2
 $(call soong_config_set_bool,camera,use_camera_v4l2_hal,$(if $(filter true,$(USE_CAMERA_V4L2_HAL)),true,false))
-
-# Add sim_count, disable_rild_oem_hook, and use_aosp_rild flag for ril related modules
-$(call soong_config_set,ril,sim_count,$(SIM_COUNT))
-ifneq ($(DISABLE_RILD_OEM_HOOK), false)
-  $(call soong_config_set_bool,ril,disable_rild_oem_hook,true)
-endif
-ifneq ($(ENABLE_VENDOR_RIL_SERVICE), true)
-  $(call soong_config_set_bool,ril,use_aosp_rild,true)
-endif