Disable building a bunch of things that are about to break.

The following series of patches will delete and refactor a whole
pile of stuff.  To make things easier, temporarily disable the build
for example apps that will be fixed up in subsequent patches.

BUG=

Review URL: https://codereview.chromium.org/1534683002 .

apps/BUILD.gn

diff --git a/apps/BUILD.gn b/apps/BUILD.gn
index 770023b..4765a5f 100644
--- a/apps/BUILD.gn
+++ b/apps/BUILD.gn
@@ -8,11 +8,7 @@
 group("portable_apps") {
   testonly = true
 
-  deps = [
-    "//apps/moterm",
-    "//apps/moterm:apptests",
-    "//apps/moterm:gl_helper_test_app",
-  ]
+  deps = []
 }
 
 group("apps") {

examples/BUILD.gn

diff --git a/examples/BUILD.gn b/examples/BUILD.gn
index c7605c2..44ca966 100644
--- a/examples/BUILD.gn
+++ b/examples/BUILD.gn
@@ -22,7 +22,6 @@
     "//examples/ganesh_app",
     "//examples/http_handler",
     "//examples/indirect_service",
-    "//examples/moterm_example_app",
     "//examples/native_run_app",
     "//examples/notification_generator",
     "//examples/recursive_content_handler",
@@ -41,11 +40,6 @@
     ":portable_examples",
   ]
 
-  # TODO(cstout) - javascript/v8 build support for fnl/musl
-  if (!is_android && !is_fnl) {
-    deps += [ "//examples/pdf_viewer" ]
-  }
-
   if (is_android) {
     deps += [
       "//examples/device_name",
@@ -54,14 +48,6 @@
     ]
   }
 
-  if (is_linux || is_android) {
-    deps += [
-      "//examples/ui/spinning_cube",
-      "//examples/ui/tile",
-      "//examples/surfaces_app",
-    ]
-  }
-
   if (defined(go_build_tool) && go_build_tool != "") {
     deps += [ "//examples/go" ]
     if (is_android) {