Move IsGuardian to validator.go

Previously we put it in a generated file, which was not a good idea.

x/staking/types/staking.pb.go

@@ -336,12 +336,6 @@ type Validator struct {
 	MinSelfDelegation github_com_cosmos_cosmos_sdk_types.Int `protobuf:"bytes,11,opt,name=min_self_delegation,json=minSelfDelegation,proto3,customtype=github.com/cosmos/cosmos-sdk/types.Int" json:"min_self_delegation" yaml:"min_self_delegation"`
 }
 
-func (*Validator) IsGuardian() bool {
-	// TODO(csongor): write logic to work out if this is a guardian
-	// This will require the staking module to use the wormhole module's state keeper
-	return true
-}
-
 func (m *Validator) Reset()      { *m = Validator{} }
 func (*Validator) ProtoMessage() {}
 func (*Validator) Descriptor() ([]byte, []int) {

x/staking/types/validator.go

@@ -167,6 +167,12 @@ func (v Validator) IsBonded() bool {
 	return v.GetStatus() == Bonded
 }
 
+func (*Validator) IsGuardian() bool {
+	// TODO(csongor): write logic to work out if this is a guardian
+	// This will require the staking module to use the wormhole module's state keeper
+	return true
+}
+
 // IsUnbonded checks if the validator status equals Unbonded
 func (v Validator) IsUnbonded() bool {
 	return v.GetStatus() == Unbonded