multi: switch from bolt packge to bbolt package for all imports

lnwallet/interface_test.go

@@ -2659,7 +2659,7 @@ func runTests(t *testing.T, walletDriver *lnwallet.WalletDriver,
 		// node's chainstate to initial level, cleanly
 		// wipe buckets
 		if err := clearWalletStates(alice, bob); err !=
-			nil && err != bolt.ErrBucketNotFound {
+			nil && err != bbolt.ErrBucketNotFound {
 			t.Fatalf("unable to wipe wallet state: %v", err)
 		}
 	}