Enable and appease the staticcheck linter

.golangci.yaml

@@ -10,7 +10,6 @@ linters:
     - gochecknoglobals
     - gochecknoinits
     - revive
-    - staticcheck
     - stylecheck
     - wrapcheck
     # Disabled permanently

config/load.go

@@ -16,7 +16,6 @@ package config
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"os/user"
 	"path/filepath"
@@ -31,7 +30,7 @@ import (
 func Load(path string) (tm triggers.Map, err error) {
 	tm = make(triggers.Map)
 
-	entries, err := ioutil.ReadDir(path)
+	entries, err := os.ReadDir(path)
 	if err != nil {
 		log.Debugf("Skipped directory '%s':\n", path)
 

triggers/config.go

@@ -17,7 +17,6 @@ package triggers
 import (
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 
@@ -31,7 +30,7 @@ func (t *Trigger) Load(path string) error {
 		return err
 	}
 	// Read the configuration into the program
-	cfg, err := ioutil.ReadFile(filepath.Clean(path))
+	cfg, err := os.ReadFile(filepath.Clean(path))
 	if err != nil {
 		return fmt.Errorf("unable to read config file located at %q: %w", path, err)
 	}

util/chroot.go

@@ -15,7 +15,7 @@
 package util
 
 import (
-	"io/ioutil"
+	"io"
 	"os"
 	"path/filepath"
 	"strconv"
@@ -46,7 +46,7 @@ func IsChroot() bool {
 		goto FALLBACK
 	}
 
-	raw, err = ioutil.ReadAll(mounts)
+	raw, err = io.ReadAll(mounts)
 	if err != nil {
 		log.Warnf("Failed to read '/proc/mounts', reason: %s\n", err)
 		goto FALLBACK