accounts/keystore: rename skipKeyFile to nonKeyFile to better reveal the function purpose (#17290)

accounts/keystore/file_cache.go

@@ -56,9 +56,9 @@ func (fc *fileCache) scan(keyDir string) (mapset.Set, mapset.Set, mapset.Set, er
 
 	var newLastMod time.Time
 	for _, fi := range files {
-		// Skip any non-key files from the folder
 		path := filepath.Join(keyDir, fi.Name())
-		if skipKeyFile(fi) {
+		// Skip any non-key files from the folder
+		if nonKeyFile(fi) {
 			log.Trace("Ignoring file on account scan", "path", path)
 			continue
 		}
@@ -88,8 +88,8 @@ func (fc *fileCache) scan(keyDir string) (mapset.Set, mapset.Set, mapset.Set, er
 	return creates, deletes, updates, nil
 }
 
-// skipKeyFile ignores editor backups, hidden files and folders/symlinks.
-func skipKeyFile(fi os.FileInfo) bool {
+// nonKeyFile ignores editor backups, hidden files and folders/symlinks.
+func nonKeyFile(fi os.FileInfo) bool {
 	// Skip editor backups and UNIX-style hidden files.
 	if strings.HasSuffix(fi.Name(), "~") || strings.HasPrefix(fi.Name(), ".") {
 		return true