Remove unneeded colorama.init().

We don't want colorama to replace stdout/stderr, so we shouldn't call .init()
at all.

qutebrowser/utils/log.py

@@ -202,7 +202,6 @@ def _init_formatters(level, color):
         console_formatter = ColoredFormatter(console_fmt_colored, DATEFMT,
                                              log_colors=LOG_COLORS)
         if colorama:
-            colorama.init()
             use_colorama = True
     else:
         console_formatter = logging.Formatter(console_fmt, DATEFMT, '{')