commit cc46b93

Clean up dead code and minor lint issues

Remove unused linkEvent struct, use strings.ReplaceAll instead of
strings.Replace with -1 count, and fix context leak in tryConnect by
deferring the cancel function.

See https://codeberg.org/lindenii/sensei/commit/2b97db323731064af7d133f161e8aac7b8e89c25

Co-authored-by: Runxi Yu <me@runxiyu.org>

 1@@ -98,10 +98,6 @@ type event struct {
 2 	content interface{}
 3 }
 4 
 5-type linkEvent struct {
 6-	link string
 7-}
 8-
 9 type boundKey struct {
10 	netID  string
11 	target string
12@@ -538,7 +534,8 @@ func (app *App) tryConnect() (conn net.Conn, err error) {
13 		}
14 	}
15 
16-	ctx, _ := context.WithTimeout(context.Background(), 10*time.Second)
17+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
18+	defer cancel()
19 
20 	dialer := &net.Dialer{
21 		Timeout: 10 * time.Second,
22@@ -2502,13 +2499,13 @@ func (app *App) mergeLine(former *ui.Line, addition ui.Line) {
23 					mode := string(modeStr[i+1])
24 					if set {
25 						if strings.Contains(f.modeUnset, mode) {
26-							f.modeUnset = strings.Replace(f.modeUnset, mode, "", -1)
27+							f.modeUnset = strings.ReplaceAll(f.modeUnset, mode, "")
28 						} else if !strings.Contains(f.modeSet, mode) {
29 							f.modeSet += mode
30 						}
31 					} else {
32 						if strings.Contains(f.modeSet, mode) {
33-							f.modeSet = strings.Replace(f.modeSet, mode, "", -1)
34+							f.modeSet = strings.ReplaceAll(f.modeSet, mode, "")
35 						} else if !strings.Contains(f.modeUnset, mode) {
36 							f.modeUnset += mode
37 						}