Remove ObjC static library target.

It's been unused for a while and starting to be a maintainance burden.

Bug: webrtc:8943
Change-Id: Ie49d6b06bdeb002496007725009ea194b8130f2b
Reviewed-on: https://webrtc-review.googlesource.com/60160
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Commit-Queue: Kári Helgason <kthelgason@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22339}
diff --git a/sdk/BUILD.gn b/sdk/BUILD.gn
index d55119c..9c86306 100644
--- a/sdk/BUILD.gn
+++ b/sdk/BUILD.gn
@@ -431,8 +431,7 @@
     # these objects are just thin wrappers of native C++ interfaces required
     # when implementing webrtc::PeerConnectionFactoryInterface and
     # webrtc::PeerConnectionInterface.
-    # The applications which only use WebRTC DataChannel can depend on this
-    # target instead of rtc_sdk_objc.
+    # The applications which only use WebRTC DataChannel can depend on this.
     rtc_static_library("peerconnectionfactory_no_media_objc") {
       visibility = [ "*" ]
       defines = [ "HAVE_NO_MEDIA" ]
@@ -927,17 +926,6 @@
       ]
     }
 
-    rtc_static_library("rtc_sdk_objc") {
-      complete_static_lib = true
-      deps = [
-        ":ui_objc",
-        ":videocapture_objc",
-        "../system_wrappers:field_trial_default",
-        "../system_wrappers:metrics_default",
-        "../system_wrappers:runtime_enabled_features_default",
-      ]
-    }
-
     rtc_static_library("video_toolbox_cc") {
       visibility = [ ":videotoolbox_objc" ]
       sources = [