[assembly] Remove unused iperf3 shell package

Bug: b/308694417
Change-Id: I4ee0834d373948fdb92a613c95a55a8318e28ba1
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/iperf/+/947766
Reviewed-by: David Iserovich <diserovich@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index 4dc6293..dfee634 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -31,7 +31,7 @@
 import("//build/host.gni")
 
 group("iperf") {
-  deps = [ ":iperf3" ]
+  deps = [ ":iperf3_pkg" ]
 
   # TODO(https://bugs.fuchsia.dev/p/fuchsia/issues/detail?id=48350):
   # Enable host build for non-linux hosts as well.
@@ -48,10 +48,6 @@
   deps = [ ":bin" ]
 }
 
-fuchsia_shell_package("iperf3") {
-  deps = [ ":bin" ]
-}
-
 config("iperf_config") {
   visibility = [ ":*" ]
   include_dirs = [ "src" ]