Remove etcd version workaround for arm64
With devstack has settled on
etcd 3.2, which has ARM64 binaries.  Thus we should no longer need
this workaround.
@@ -44,9 +44,3 @@ diskimages:
DIB_IMAGE_CACHE: /opt/dib_cache
DIB_APT_LOCAL_CACHE: '0'
DIB_DISABLE_APT_CLEANUP: '1'
- # NOTE(ianw): devstack caches a tarball of this during dib
- # build; upstream devstack uses a 3.1 etcd version which didn't
- # have arm64 support. We can look at fixing this once we have
- # some testing...
- ETCD_VERSION: v3.3.0
- ETCD_SHA256_ARM64: d7b26a2df488bff4e0a9d521c90e6a350547f2924c88e52fe11c825dd623e159
