[source] bcm53xx: drop target's preinit network support script

[LEDE Commits]

rmilecki pushed a commit to source.git, branch master:
https://git.lede-project.org/?p=source.git;a=commitdiff;h=857f00a9f7fbdb0ba9a88efb6ae71fefe2e09f7c

commit 857f00a9f7fbdb0ba9a88efb6ae71fefe2e09f7c
Author: Rafał Miłecki <rafal at milecki.pl>
AuthorDate: Sun Aug 14 23:12:36 2016 +0200

    bcm53xx: drop target's preinit network support script
    
    We don't need it anymore since the rework of generic preinit script.
    
    Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
---
 .../bcm53xx/base-files/lib/preinit/05_set_preinit_iface_bcm53xx    | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/target/linux/bcm53xx/base-files/lib/preinit/05_set_preinit_iface_bcm53xx b/target/linux/bcm53xx/base-files/lib/preinit/05_set_preinit_iface_bcm53xx
deleted file mode 100644
index 0539b82..0000000
--- a/target/linux/bcm53xx/base-files/lib/preinit/05_set_preinit_iface_bcm53xx
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/bin/sh
-
-set_preinit_iface() {
-	ifname=eth0
-}
-
-boot_hook_add preinit_main set_preinit_iface