Fix revive linter errors

- if-return linting errors
- unused-parameter linting error

internal/config/flags.go

@@ -88,10 +88,5 @@ func (c *Config) handleFlagsConfig(appType AppType) error {
 	c.flagSet.Usage = Usage(c.flagSet, os.Stdout)
 
 	// parse flag definitions from the argument list
-	if err := c.flagSet.Parse(os.Args[1:]); err != nil {
-		return err
-	}
-
-	return nil
-
+	return c.flagSet.Parse(os.Args[1:])
 }

internal/config/logging.go

@@ -82,10 +82,5 @@ func (c *Config) setupLogging(appType AppType) error {
 		Str("timeout", c.Timeout().String()).
 		Logger()
 
-	if err := setLoggingLevel(c.LoggingLevel); err != nil {
-		return err
-	}
-
-	return nil
-
+	return setLoggingLevel(c.LoggingLevel)
 }

internal/reports/reports.go

@@ -1093,7 +1093,7 @@ func ComponentsOneLineCheckSummary(
 // commonly displayed on the detailed service check results display in the web
 // UI or in the body of many notifications.
 func ComponentsReport(
-	stateLabel string,
+	_ string,
 	filter components.Filter,
 	componentsSet *components.Set,
 	omitOKComponents bool,