Remove the mojo_use_application_in_sdk GN variable.

mojo/public/cpp/bindings/tests/BUILD.gn

Index: mojo/public/cpp/bindings/tests/BUILD.gn
diff --git a/mojo/public/cpp/bindings/tests/BUILD.gn b/mojo/public/cpp/bindings/tests/BUILD.gn
index e04a655b458945fb2647501031f6f7b925b61624..20164b3e66d6ece3e02e416158d94acd54682121 100644
--- a/mojo/public/cpp/bindings/tests/BUILD.gn
+++ b/mojo/public/cpp/bindings/tests/BUILD.gn
@@ -4,7 +4,6 @@
 
 import("../../../mojo_application.gni")
 import("../../../mojo_sdk.gni")
-import("../../../mojo.gni")
 
 mojo_sdk_source_set("tests") {
   testonly = true
@@ -87,56 +86,54 @@ mojo_sdk_source_set("mojo_public_bindings_test_utils") {
   mojo_sdk_deps = [ "mojo/public/c/system" ]
 }
 
-if (mojo_use_application_in_sdk) {
-  mojo_native_application("versioning_test_service") {
-    testonly = true
-
-    deps = [
-      ":versioning_test_service_source_set",
-    ]
-  }
-
-  mojo_sdk_source_set("versioning_test_service_source_set") {
-    testonly = true
-    visibility = [ ":*" ]
-
-    sources = [
-      "versioning_test_service.cc",
-    ]
-
-    mojo_sdk_deps = [
-      "mojo/public/cpp/application:standalone",
-      "mojo/public/cpp/bindings",
-      "mojo/public/cpp/system",
-      "mojo/public/interfaces/bindings/tests:versioning_test_service_interfaces",
-    ]
-  }
-
-  mojo_native_application("versioning_apptests") {
-    testonly = true
-
-    deps = [
-      ":versioning_apptest_source_set",
-    ]
-    data_deps = [
-      ":versioning_test_service",
-    ]
-  }
-
-  mojo_sdk_source_set("versioning_apptest_source_set") {
-    testonly = true
-    visibility = [ ":*" ]
-
-    sources = [
-      "versioning_apptest.cc",
-    ]
-
-    mojo_sdk_deps = [
-      "mojo/public/cpp/application:standalone",
-      "mojo/public/cpp/application:test_support_standalone",
-      "mojo/public/cpp/bindings",
-      "mojo/public/cpp/system",
-      "mojo/public/interfaces/bindings/tests:versioning_test_client_interfaces",
-    ]
-  }
+mojo_native_application("versioning_test_service") {
+  testonly = true
+
+  deps = [
+    ":versioning_test_service_source_set",
+  ]
+}
+
+mojo_sdk_source_set("versioning_test_service_source_set") {
+  testonly = true
+  visibility = [ ":*" ]
+
+  sources = [
+    "versioning_test_service.cc",
+  ]
+
+  mojo_sdk_deps = [
+    "mojo/public/cpp/application:standalone",
+    "mojo/public/cpp/bindings",
+    "mojo/public/cpp/system",
+    "mojo/public/interfaces/bindings/tests:versioning_test_service_interfaces",
+  ]
+}
+
+mojo_native_application("versioning_apptests") {
+  testonly = true
+
+  deps = [
+    ":versioning_apptest_source_set",
+  ]
+  data_deps = [
+    ":versioning_test_service",
+  ]
+}
+
+mojo_sdk_source_set("versioning_apptest_source_set") {
+  testonly = true
+  visibility = [ ":*" ]
+
+  sources = [
+    "versioning_apptest.cc",
+  ]
+
+  mojo_sdk_deps = [
+    "mojo/public/cpp/application:standalone",
+    "mojo/public/cpp/application:test_support_standalone",
+    "mojo/public/cpp/bindings",
+    "mojo/public/cpp/system",
+    "mojo/public/interfaces/bindings/tests:versioning_test_client_interfaces",
+  ]
 }