Revert "[iperf] Enable building iperf3 on the host."

This reverts commit 4b00133e400fd8273743858e247b603c96dd5975.

Reason for revert: Breaks build on mac builders e.g. https://ci.chromium.org/p/fuchsia/builders/ci/fuchsia-arm64-debug-mac-build_default/b8885925971347647920

Change-Id: I01a10b1c8a4154a7cd9ddbc01e1efde621f4ea41

BUILD.gn

diff --git a/BUILD.gn b/BUILD.gn
index 304c9ba..29779e6 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -27,17 +27,9 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-import("//build/host.gni")
 import("//build/package.gni")
 
-group("iperf") {
-  deps = [
-    ":host_tools",
-    ":iperf3",
-  ]
-}
-
-package("iperf3") {
+package("iperf") {
   meta = [
     {
       path = "meta/iperf3.cmx"
@@ -45,7 +37,7 @@
     },
   ]
 
-  deps = [ ":bin" ]
+  deps = [ ":iperf3" ]
 
   binaries = [
     {
@@ -65,8 +57,7 @@
   public_deps = [ "//zircon/public/lib/fdio" ]
 }
 
-executable("bin") {
-  output_name = "iperf3"
+executable("iperf3") {
   sources = [
     "src/cjson.c",
     "src/dscp.c",
@@ -97,16 +88,6 @@
     "-Wno-pointer-sign",
     "-Wno-sign-compare",
   ]
-  if (is_fuchsia) {
-    libs = [ "zircon" ]
-    deps = [ ":fuchsia-compat" ]
-  }
-}
-
-install_host_tools("host_tools") {
-  deps = [ ":bin" ]
-
-  # Note that for convenience, we are compiling iperf3 on the host-build
-  # with src/iperf_config.h used in Fuchsia build.
-  outputs = [ "iperf3" ]
+  libs = [ "zircon" ]
+  deps = [ ":fuchsia-compat" ]
 }