Open translate language file as utf8

src/Translate/Translate.py

@@ -58,7 +58,7 @@ class Translate(dict):
             self.clear()
         elif os.path.isfile(self.lang_file):
             try:
-                data = json.load(open(self.lang_file))
+                data = json.load(open(self.lang_file, encoding="utf8"))
                 logging.debug("Loaded translate file: %s (%s entries)" % (self.lang_file, len(data)))
             except Exception as err:
                 logging.error("Error loading translate file %s: %s" % (self.lang_file, err))
@@ -102,8 +102,6 @@ class Translate(dict):
         if not translate_table:
             translate_table = self
 
-        data = data.decode("utf8")
-
         patterns = []
         for key, val in list(translate_table.items()):
             if key.startswith("_("):  # Problematic string: only match if called between _(" ") function