chore: remove unnecessary type-only imports

smtp/client.ts

@@ -1,8 +1,6 @@
 import { addressparser } from './address';
-import { Message } from './message';
-import type { MessageAttachment, MessageHeaders } from './message';
-import { SMTPConnection, SMTPState } from './connection';
-import type { SMTPConnectionOptions } from './connection';
+import { Message, MessageAttachment, MessageHeaders } from './message';
+import { SMTPConnection, SMTPConnectionOptions, SMTPState } from './connection';
 
 export interface MessageStack {
 	callback: (error: Error | null, message: Message) => void;

smtp/connection.ts

@@ -2,8 +2,12 @@ import { createHmac } from 'crypto';
 import { EventEmitter } from 'events';
 import { Socket } from 'net';
 import { hostname } from 'os';
-import { connect, createSecureContext, TLSSocket } from 'tls';
-import type { ConnectionOptions } from 'tls';
+import {
+	connect,
+	createSecureContext,
+	ConnectionOptions,
+	TLSSocket,
+} from 'tls';
 
 import { SMTPError, SMTPErrorStates } from './error';
 import { SMTPResponseMonitor } from './response';

smtp/message.ts

@@ -1,5 +1,4 @@
-import fs from 'fs';
-import type { PathLike } from 'fs';
+import fs, { PathLike } from 'fs';
 import { hostname } from 'os';
 import { Stream } from 'stream';
 import type { Readable } from 'stream';

test/message.ts

@@ -2,8 +2,7 @@ import { readFileSync, createReadStream } from 'fs';
 import { join } from 'path';
 
 import test from 'ava';
-import { simpleParser } from 'mailparser';
-import type { ParsedMail } from 'mailparser';
+import { simpleParser, ParsedMail } from 'mailparser';
 import { SMTPServer } from 'smtp-server';
 
 import { SMTPClient, Message, MessageAttachment } from '../email';