Update to unifi library v5.6.0 and fix linter errors

- Update go.mod to use unifi library v5.6.0 (includes remote API support)
- Remove temporary replace directive now that v5.6.0 is published
- Fix empty-block linter errors in input.go by removing empty if blocks

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/prometheus/common v0.67.5
 	github.com/spf13/pflag v1.0.10
 	github.com/stretchr/testify v1.11.1
-	github.com/unpoller/unifi/v5 v5.5.0
+	github.com/unpoller/unifi/v5 v5.6.0
 	golang.org/x/crypto v0.47.0
 	golang.org/x/term v0.39.0
 	golift.io/cnfg v0.2.3
@@ -46,6 +46,3 @@ require (
 	golang.org/x/sys v0.40.0 // indirect
 	google.golang.org/protobuf v1.36.11 // indirect
 )
-
-// for local iterative development only
-replace github.com/unpoller/unifi/v5 => ../unifi

go.sum

@@ -77,6 +77,8 @@ github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
+github.com/unpoller/unifi/v5 v5.6.0 h1:qryEAJNYXG/WbjIqrIEZ/npRNBwHTsv/ZFbseYry8ug=
+github.com/unpoller/unifi/v5 v5.6.0/go.mod h1:vSIXIclPG9dpKxUp+pavfgENHWaTZXvDg7F036R1YCo=
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=

pkg/inputunifi/input.go

@@ -304,10 +304,8 @@ func (u *InputUnifi) setDefaults(c *Controller) { //nolint:cyclop
 		// Remote mode: only API key is used, no user/pass
 		// For remote mode, API key is required
 		// Will be set from RemoteAPIKey in Config if not provided
-		if c.APIKey != "" {
-			c.User = ""
-			c.Pass = ""
-		}
+		c.User = ""
+		c.Pass = ""
 	} else {
 		// Local mode: use API key if provided, otherwise user/pass
 		if c.APIKey == "" {