Reducing the Use of oneof in Protos (valhalla#3527)

* remove enum oneofs from options.proto and info.proto

* remove oneof from directions proto completely, too easy, thank you @dgearhart

* no need for oneof in sign.proto

* remove oneof from trip.proto, also move attributes controller to baldr and use it during serialization

* remove more oneof's this time from common.proto

* fix trace logs

* costing can have a default of none more correlation stuff is non optional

* move more outputs into the correlated structure

* add a unit test for typo in heading tolerance, reimplement a similar check for route_leg_shape_index

Author: kevinkreiser

CHANGELOG.md

@@ -63,6 +63,7 @@
    * CHANGED: Rename tripcommon to common [#3516](https://github.com/valhalla/valhalla/pull/3516)
    * ADDED: indoor routing - data model, data processing. [#3509](https://github.com/valhalla/valhalla/pull/3509)
    * ADDED: On-demand elevation tile fetching [#3391](https://github.com/valhalla/valhalla/pull/3391)
+   * CHANGED: Remove many oneof uses from the protobuf api where the semantics of optional vs required isnt necessary [#3527](https://github.com/valhalla/valhalla/pull/3527)
 
 ## Release Date: 2021-10-07 Valhalla 3.1.4
 * **Removed**