Fix typo in README example, remove unused import

README.md

@@ -36,7 +36,7 @@ await market.placeOrder(connection, {
 });
 
 for (let order of await market.loadBids(connection)) {
-  if (order.owner.equals(owner.publicKey())) {
+  if (order.owner.equals(owner.publicKey)) {
     await market.cancelOrder(connection, order);
   }
 }

package.json

@@ -11,8 +11,9 @@
   },
   "scripts": {
     "build": "yarn babel src --out-dir lib",
+    "clean": "rm -rf lib",
     "start": "yarn babel src --out-dir lib --watch",
-    "prepare": "run-s build",
+    "prepare": "run-s clean build",
     "test": "run-s test:unit test:lint test:build",
     "test:build": "run-s build",
     "test:lint": "eslint src",

src/market.js

@@ -1,11 +1,5 @@
 import { blob, seq, struct, u8 } from 'buffer-layout';
-import {
-  publicKeyLayout,
-  setLayoutDecoder,
-  u128,
-  u64,
-  WideBits,
-} from './layout';
+import { publicKeyLayout, u128, u64, WideBits } from './layout';
 import { SLAB_LAYOUT } from './slab';
 import { DEX_PROGRAM_ID } from './instructions';
 import BN from 'bn.js';