Remove peerd from manifest

Peerd is not used on AOSP since weaved went with alternative
implementation by talking to Avahi directly. Removing peerd.

Change-Id: Ic6091338f49a9e98b0d1f170487d5fc241240d91

default.xml

@@ -504,7 +504,6 @@
   <project path="system/media" name="platform/system/media" groups="pdk" />
   <project path="system/nativepower" name="platform/system/nativepower" />
   <project path="system/netd" name="platform/system/netd" groups="pdk" />
-  <project path="system/peerd" name="platform/system/peerd" />
   <project path="system/security" name="platform/system/security" groups="pdk" />
   <project path="system/tools/aidl" name="platform/system/tools/aidl" groups="pdk-cw-fs,pdk-fs" />
   <project path="system/tpm_manager" name="platform/system/tpm_manager" />