toolchain-external: drop reference to non-existing variable

Commit 32bec8ee2fb0 (toolchain-external: copy ld*.so* for all C libraries) removed the definition of TOOLCHAIN_EXTERNAL_MUSL_LD_LINK. Remove also the reference to it.

---
This addresses my comment on the patch.
http://lists.busybox.net/pipermail/buildroot/2017-July/195993.html

---
 toolchain/toolchain-external/pkg-toolchain-external.mk | 4 ----
 1 file changed, 4 deletions(-)

index 33449d37a5ec..1c5a5790f0e1 100644
@@ -561,10 +561,6 @@ define $(2)_INSTALL_STAGING_CMDS
 	$$(TOOLCHAIN_EXTERNAL_INSTALL_GDBINIT)
 endef
 
-ifeq ($$(BR2_TOOLCHAIN_EXTERNAL_MUSL),y)
-$(2)_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_EXTERNAL_MUSL_LD_LINK
-endif
-
 # Even though we're installing things in both the staging, the host
 # and the target directory, we do everything within the
 # install-staging step, arbitrarily.

2.13.2

Hello,

Sorry, I saw your comment, and it was definitely right. But we have been reviewing/merging so many patches, and discussing so many topics that I forgot to take into account your comment.

I've applied your patch now. Thanks for reviewing and fixing this mistake.

Best regards,

Thomas

Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com