core: Remove old placeholder files

core/chatchannel.go

@@ -1,7 +0,0 @@
-package core
-
-type ChatChannel struct {
-}
-
-func (chat *ChatChannel) SendMessage(text string) {
-}

core/inboundcontactrequest.go

@@ -1,20 +0,0 @@
-package core
-
-import (
-	"errors"
-	"time"
-)
-
-type InboundContactRequest struct {
-	Name     string
-	Address  string
-	Received time.Time
-}
-
-func (request *InboundContactRequest) Accept() (*Contact, error) {
-	return nil, errors.New("Not implemented")
-}
-
-func (request *InboundContactRequest) Reject(message string) error {
-	return errors.New("Not implemented")
-}

core/outboundcontactrequest.go

@@ -1,20 +0,0 @@
-package core
-
-type OutboundContactRequestStatus int
-
-const (
-	RequestPending OutboundContactRequestStatus = iota
-	RequestAcknowledged
-	RequestAccepted
-	RequestRejected
-	RequestError
-)
-
-type OutboundContactRequest struct {
-	Contact
-
-	MyName  string
-	Message string
-
-	Status OutboundContactRequestStatus
-}

core/torconfiguration.go

@@ -1,4 +0,0 @@
-package core
-
-type TorConfiguration struct {
-}