am 65265492: Don\'t clean INSTALLED_RADIOIMAGE_TARGET in target/board/Android.mk

* commit '652654927da52f9d1d0e75b69be44701686f79e7':
  Don't clean INSTALLED_RADIOIMAGE_TARGET in target/board/Android.mk
diff --git a/target/board/Android.mk b/target/board/Android.mk
index 82dee3c..54ee9e7 100644
--- a/target/board/Android.mk
+++ b/target/board/Android.mk
@@ -20,9 +20,6 @@
   INSTALLED_KERNEL_TARGET :=
 endif
 
-# Use the add-radio-file function to add values to this variable.
-INSTALLED_RADIOIMAGE_TARGET :=
-
 -include $(TARGET_DEVICE_DIR)/AndroidBoard.mk
 
 # Generate a file that contains various information about the