cm: Remove mm-dash repo

We don't use this in CM.

Change-Id: I80c88e30f2cc0cecd0e66aa4ef3b2916a68bcdc2

Author: zwliew

default.xml

@@ -106,7 +106,6 @@
   <project path="external/lzma" name="CyanogenMod/android_external_lzma" groups="pdk" />
   <project path="external/lzo" name="CyanogenMod/android_external_lzo" />
   <project path="external/mksh" name="CyanogenMod/android_external_mksh" groups="pdk" />
-  <project path="external/mm-dash" name="CyanogenMod/android_external_mm-dash" />
   <project path="external/nano" name="CyanogenMod/android_external_nano" />
   <project path="external/nist-sip" name="CyanogenMod/android_external_nist-sip" groups="pdk-cw-fs,pdk-fs" />
   <project path="external/ntfs-3g" name="CyanogenMod/android_external_ntfs-3g" />