Refactor x/auth/vesting to use ADR-031 (#7551)

* update auth/vesting module to use proto msg services

* rm accidental tmp files

* Update x/auth/vesting/msg_server.go

Co-authored-by: Marie Gauthier <marie.gauthier63@gmail.com>

* golangci-lint fix

Co-authored-by: Marie Gauthier <marie.gauthier63@gmail.com>
Co-authored-by: Aaron Craelius <aaron@regen.network>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

types/tx/tx.pb.go

@@ -5,10 +5,6 @@ package tx
 
 import (
 	fmt "fmt"
-	io "io"
-	math "math"
-	math_bits "math/bits"
-
 	types "github.com/cosmos/cosmos-sdk/codec/types"
 	types1 "github.com/cosmos/cosmos-sdk/crypto/types"
 	github_com_cosmos_cosmos_sdk_types "github.com/cosmos/cosmos-sdk/types"
@@ -16,6 +12,9 @@ import (
 	signing "github.com/cosmos/cosmos-sdk/types/tx/signing"
 	_ "github.com/gogo/protobuf/gogoproto"
 	proto "github.com/gogo/protobuf/proto"
+	io "io"
+	math "math"
+	math_bits "math/bits"
 )
 
 // Reference imports to suppress errors if they are not otherwise used.