Revert "Add variables in google3a_config for camera tuning"

Revert "Separate project-wise tuning folders for 3A"

Revert submission 13706458-Separate target device for tuning

Reason for revert: suspect build break b/182443731
Reverted Changes:
If91bb99b8:Separate project-wise tuning folders for 3A
I605e0327a:Add variables in google3a_config for camera tuning...

Change-Id: Ia4f5a5a6162d2ebe61500b513510555326d8ebb2
diff --git a/device.mk b/device.mk
index 8bef1bb..065d503 100644
--- a/device.mk
+++ b/device.mk
@@ -475,12 +475,10 @@
 	soc \
 	gcam_awb \
 	ghawb_truetone \
-        target_device \
 
 SOONG_CONFIG_google3a_config_soc := gs101
 SOONG_CONFIG_google3a_config_gcam_awb := true
 SOONG_CONFIG_google3a_config_ghawb_truetone := true
-SOONG_CONFIG_google3a_config_target_device := $(TARGET_PRODUCT)
 
 SOONG_CONFIG_NAMESPACES += gch
 SOONG_CONFIG_gch += \