Fixed issue when deleting a file that was not owned.

When a file was not owned, the chmod could not
work. Nonetheless, the deletion was still
possible so there was no need to raise an error.

rem.go

@@ -328,11 +328,8 @@ func chooseDataDir() string {
 
 func permanentlyDeleteFile(fileName string) {
 	err := os.Chmod(fileName, 0700) // If some files don't have the write permission, it is impossible to delete them
-	if err != nil {
-		if os.IsNotExist(err) { // If we try to empty an already emptied trash, we will try to remove a non-existent log file. This check ensure that no error are raised in this case
-			return
-		}
-		handleErr(err)
+	if os.IsNotExist(err) {         // If we try to empty an already emptied trash, we will try to remove a non-existent log file. As the chmod is not critical, no error needs to be raised
+		return
 	}
 	i, _ := os.Stat(fileName)
 	if i.IsDir() { // As the chmod is not recursive, we must manually crawl through the trash to chmod and remove all files by hand