Remove ti/panda

Panda is no longer supported in master.
Change-Id: I3d5efbcf63ded1c40539712a2b34bb6c1522520b

default.xml

@@ -48,7 +48,6 @@
   <project path="device/samsung/toroplus" name="device/samsung/toroplus" groups="device,tuna" />
   <project path="device/samsung/tuna" name="device/samsung/tuna" groups="device,tuna" />
   <project path="device/samsung_slsi/arndale" name="device/samsung_slsi/arndale" groups="device" />
-  <project path="device/ti/panda" name="device/ti/panda" groups="device" />
   <project path="docs/source.android.com" name="platform/docs/source.android.com" />
   <project path="external/aac" name="platform/external/aac" groups="pdk" />
   <project path="external/android-clat" name="platform/external/android-clat" />