Remove platform/external/qemu-pc-bios

BUG:19237932
Change-Id: I8587ee8b89c33600baa9981b793d93de4e127cee

default.xml

@@ -240,7 +240,6 @@
   <project path="external/ppp" name="platform/external/ppp" groups="pdk-cw-fs" />
   <project path="external/proguard" name="platform/external/proguard" groups="pdk-java,tradefed" />
   <project path="external/protobuf" name="platform/external/protobuf" groups="pdk" />
-  <project path="external/qemu-pc-bios" name="platform/external/qemu-pc-bios" groups="pdk-cw-fs" />
   <project path="external/regex-re2" name="platform/external/regex-re2" groups="pdk-cw-fs" />
   <project path="external/replicaisland" name="platform/external/replicaisland" groups="pdk-cw-fs" />
   <project path="external/robolectric" name="platform/external/robolectric" groups="pdk-cw-fs" />