Followup to bug 563747: Conflict in original patch that I fixed in the wrong local tree.

toolkit/toolkit-tiers.mk

@@ -107,11 +107,6 @@ endif
 
 ifdef MOZ_IPC
 tier_platform_dirs += ipc js/src/ipc
-else
-# Include fake mozilla-runtime so that unify has something to unify.
-ifeq ($(OS_ARCH)_$(TARGET_CPU),Darwin_powerpc)
-tier_platform_dirs += ipc/app/fake
-endif
 endif
 
 tier_platform_dirs += \