Disable nRF52840 build until support for nRF5 SDK 3.0 lands in the example app.
diff --git a/.travis.yml b/.travis.yml
index 5b8ba85..a83bbd1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -61,8 +61,6 @@
       compiler: clang
     - name: "ESP32 (openweave-esp32-demo)"
       env: BUILD_TARGET="esp32"
-    - name: "nRF52840 (openweave-nrf52840-lock-example)"
-      env: BUILD_TARGET="nrf52840"
     - name: "Linux with Defaults against GCC Functional and Unit Tests"
       env: BUILD_TARGET="linux-auto-gcc-check" CC="gcc"
       os: linux