android: remove unused project

https://android.googlesource.com/platform/bootable/bootloader/legacy/+/3c491d6efb8ff2534a6934702760a6273f197918

Signed-off-by: Humberto Borba <humberos@gmail.com>
Change-Id: I469d2f8d3a6e1af8f143b523cd99e8a2ce17614d

default.xml

@@ -28,7 +28,6 @@
   <project path="abi/cpp" name="platform/abi/cpp" groups="pdk" />
   <project path="art" name="android_art" remote="omnirom" revision="android-5.1" groups="pdk" />
   <project path="bionic" name="android_bionic" remote="omnirom" revision="android-5.1" groups="pdk" />
-  <project path="bootable/bootloader/legacy" name="platform/bootable/bootloader/legacy" groups="pdk-cw-fs" />
   <project path="bootable/recovery" name="android_bootable_recovery" remote="omnirom" revision="android-5.1" groups="pdk-cw-fs"/>
   <project path="cts" name="platform/cts" groups="cts,pdk-cw-fs" />
   <project path="dalvik" name="android_dalvik" remote="omnirom" revision="android-5.1" groups="pdk-cw-fs" />