Remove Minnowboard kernel 3.14 repo

Remove the Minnowboard kernel since Minnowboard
switched to the common v4.4 kernel.

BUG=None
Change-Id: Idd5b652ac84d9e7612cf6f966c3054748722b42e
Signed-off-by: Stefan Stanacar <stefan.stanacar@intel.com>
diff --git a/default.xml b/default.xml
index 28116fe..462282f 100644
--- a/default.xml
+++ b/default.xml
@@ -196,9 +196,6 @@
   <project path="device/intel/minnowboard"
            name="device/intel/minnowboard"
            groups="minnowboard" />
-  <project path="hardware/bsp/kernel/intel/minnowboard-3.14"
-           name="platform/hardware/bsp/kernel/intel/minnowboard-v3.14"
-           groups="minnowboard" />
   <!-- Qualcomm Dragonboard -->
   <project path="device/qcom/dragonboard"
            name="device/qcom/dragonboard"