Add dependencies for protobuf and remove third_party forlder (#1030)

* Add dependencies for proto files and remove third_party forlder

* Pin cosmos-sdk dependency to v0.46.x

* Run "make proto-all" and generate new types files.

proto/buf.gen.gogo.yml

@@ -0,0 +1,8 @@
+version: v1
+plugins:
+  - name: gocosmos
+    out: ..
+    opt: plugins=grpc,Mgoogle/protobuf/any.proto=github.com/cosmos/cosmos-sdk/codec/types
+  - name: grpc-gateway
+    out: ..
+    opt: logtostderr=true,allow_colon_final_segments=true