refactor(sdk): remove deprecated APIs (trustbloc#733)

- Remove deprecated generic DID creator API
- Remove deprecated issuance interaction API
- Apply formatter to swift and kotlin code

Signed-off-by: Rolson Quadras <[email protected]>

cmd/wallet-sdk-gomobile/api/api.go

@@ -8,22 +8,6 @@ SPDX-License-Identifier: Apache-2.0
 // Package api defines gomobile-compatible wallet-sdk interfaces.
 package api
 
-// KeyWriter represents a type that is capable of performing operations related to key creation and storage within
-// an underlying KMS.
-// Deprecated: Not needed with the new DID creation pattern. This interface will be removed in a future version.
-type KeyWriter interface {
-	// Create creates a keyset of the given keyType and then writes it to storage.
-	// The public key JWK of the newly generated keyset is returned via the JSONWebKey object.
-	Create(keyType string) (*JSONWebKey, error)
-}
-
-// KeyReader represents a type that is capable of performing operations related to reading keys from an underlying KMS.
-// Deprecated: Not needed with the new DID creation pattern. This interface will be removed in a future version.
-type KeyReader interface {
-	// ExportPubKey returns the public key associated with the given keyID as a JWK object.
-	ExportPubKey(keyID string) (*JSONWebKey, error)
-}
-
 // DIDResolver defines the method required for a type to resolve DIDs.
 type DIDResolver interface {
 	// Resolve resolves a DID. It returns a DID document marshalled as JSON.