[source] image.mk: remove obsolete Build/mkfs overrides

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/?p=source.git;a=commitdiff;h=efdf7f6499de015f6443d5347b1aa771c189bbd1

commit efdf7f6499de015f6443d5347b1aa771c189bbd1
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Tue Jul 19 11:22:35 2016 +0200

    image.mk: remove obsolete Build/mkfs overrides
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 include/image.mk | 2 --
 1 file changed, 2 deletions(-)

diff --git a/include/image.mk b/include/image.mk
index b257eae..a8d4bcf 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -288,8 +288,6 @@ define BuildImage/mkfs
   .PHONY: mkfs-$(1)
   mkfs-$(1): kernel_prepare
 	$(Image/mkfs/$(1))
-	$(call Build/mkfs/default,$(1))
-	$(call Build/mkfs/$(1),$(1))
   $(KDIR)/root.$(1): mkfs-$(1)
 
 endef