Remove the last bits of the Sky Inspector

sky/viewer/BUILD.gn

Index: sky/viewer/BUILD.gn
diff --git a/sky/viewer/BUILD.gn b/sky/viewer/BUILD.gn
index 232f4120449ae3e7ab277261d5217801591b1b0a..20505a9f75603b71cecd94276789ac411a4d163f 100644
--- a/sky/viewer/BUILD.gn
+++ b/sky/viewer/BUILD.gn
@@ -27,7 +27,6 @@ mojo_native_application("viewer") {
   include_dirs = [ ".." ]
 
   deps = [
-    ":bindings",
     "//mojo/application",
     "//mojo/common",
     "//mojo/common:tracing_impl",
@@ -52,7 +51,6 @@ mojo_native_application("viewer") {
     "//sky/compositor",
     "//sky/engine",
     "//sky/engine/tonic",
-    "//sky/services/inspector:bindings",
     "//sky/services/platform",
     "//sky/services/testing:bindings",
     "//third_party/icu",
@@ -60,9 +58,3 @@ mojo_native_application("viewer") {
     "//url",
   ]
 }
-
-mojom("bindings") {
-  sources = [
-    "services/inspector.mojom",
-  ]
-}