Move ietf-routing-types to routing-api

Current routing implementation does not use it,
but other features planned for 18.04 (e.g. SRv6) will do.

Change-Id: I0124ea27b5d24c1ac2e5ad196dc05df3a970d1c7
Signed-off-by: Marek Gradzki <[email protected]>

diff --git a/mpls/api/src/main/yang/[email protected] b/routing/routing-api/src/main/yang/[email protected]
similarity index 100%
rename from mpls/api/src/main/yang/[email protected]
rename to routing/routing-api/src/main/yang/[email protected]