[BUILD] Remove direct deps from devmgr-launcher

Tests should be depending on devmgr-integration-test or
driver-integration-test rather than on this library directly

Change-Id: Iab171692c3a05d2b0845cbe21a6ecf32e65856be
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/578241
Commit-Queue: Auto-Submit <auto-submit@fuchsia-infra.iam.gserviceaccount.com>
Fuchsia-Auto-Submit: David Gilhooley <dgilhooley@google.com>
Reviewed-by: Suraj Malhotra <surajmalhotra@google.com>

Author: gilhooleyd

src/lib/storage/ramdevice_client/cpp/BUILD.gn

@@ -34,7 +34,6 @@ shared_library("ramdevice-client") {
     "//zircon/public/lib/fbl",
     "//zircon/public/lib/zx",
     "//zircon/system/ulib/devmgr-integration-test",
-    "//zircon/system/ulib/devmgr-launcher",
     "//zircon/system/ulib/driver-integration-test:driver-integration-test-static",
     "//zircon/system/ulib/fdio-caller",
     "//zircon/system/ulib/fzl",
@@ -69,7 +68,6 @@ static_library("ramdevice-client-static") {
     "//zircon/public/lib/fbl",
     "//zircon/public/lib/zx",
     "//zircon/system/ulib/devmgr-integration-test",
-    "//zircon/system/ulib/devmgr-launcher",
     "//zircon/system/ulib/driver-integration-test:driver-integration-test-static",
     "//zircon/system/ulib/fdio-caller",
     "//zircon/system/ulib/fzl",