Proposal naming refactors (cosmos#354)

* consumer addition props

* missed one

* acronyms

* consumer removal props

* the rest

* comment

* handle cli and integration tests

* remove unneeded returned err

Co-authored-by: Jehan <jehan.tremback@gmail.com>

proto/interchain_security/ccv/provider/v1/provider.proto

@@ -9,10 +9,10 @@ import "google/protobuf/timestamp.proto";
 import "ibc/core/client/v1/client.proto";
 import "ibc/lightclients/tendermint/v1/tendermint.proto";
 
-// CreateConsumerChainProposal is a governance proposal on the provider chain to spawn a new consumer chain.
+// ConsumerAdditionProposal is a governance proposal on the provider chain to spawn a new consumer chain.
 // If it passes, then all validators on the provider chain are expected to validate the consumer chain at spawn time
 // or get slashed. It is recommended that spawn time occurs after the proposal end time.
-message CreateConsumerChainProposal {
+message ConsumerAdditionProposal {
     option (gogoproto.goproto_getters)  = false;
     option (gogoproto.goproto_stringer) = false;
 
@@ -40,10 +40,10 @@ message CreateConsumerChainProposal {
     bool lock_unbonding_on_timeout = 8;   
   }
 
-// StopConsumerProposal is a governance proposal on the provider chain to stop a consumer chain.
+// ConsumerRemovalProposal is a governance proposal on the provider chain to remove (and stop) a consumer chain.
 // If it passes, all the consumer chain's state is removed from the provider chain. The outstanding unbonding
 // operation funds are released if the LockUnbondingOnTimeout parameter is set to false for the consumer chain ID.
- message StopConsumerChainProposal {
+ message ConsumerRemovalProposal {
     // the title of the proposal
     string title = 1;
     // the description of the proposal