Re:#15794 remove legacy lines in package tiacx-firmware

From: Gergely Imreh <imrehg@gmail.com>

Signed-off-by: Gergely Imreh <imrehg@gmail.com>
---
 install/tiacx-firmware.install |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/install/tiacx-firmware.install b/install/tiacx-firmware.install
index b1ebb62..b83d6fd 100644
--- a/install/tiacx-firmware.install
+++ b/install/tiacx-firmware.install
@@ -16,7 +16,3 @@ EOM
 post_upgrade() {
   post_install
 }
-      
-op=$1
-shift
-$op $*