remove unused code

atproto/identity/apidir/apidir.go

···
 	DID syntax.DID `json:"did"`
 }
 
-type errorBody struct {
-	Name    string `json:"error"`
-	Message string `json:"message,omitempty"`
-}
-
 func NewAPIDirectory(host string) APIDirectory {
 	return APIDirectory{
 		Client: &http.Client{

atproto/repo/mst/mst_interop_test.go

···
 }
 
 func TestInteropKnownMapsTricky(t *testing.T) {
+	t.Skip("TODO: these are currently disallowed in typescript implementation")
 	assert := assert.New(t)
-
-	t.Skip("TODO: these are currently disallowed in typescript implementation")
 
 	cid1str := "bafyreie5cvv4h45feadgeuwhbcutmh6t2ceseocckahdoe6uat64zmz454"
 

atproto/syntax/did.go

···
 type DID string
 
 var didRegex = regexp.MustCompile(`^did:[a-z]+:[a-zA-Z0-9._:%-]*[a-zA-Z0-9._-]$`)
-var plcChars = ""
 
 func isASCIIAlphaNum(c rune) bool {
 	if (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') {