Use correct i18n module

latex/latex.py

@@ -38,12 +38,7 @@ from gajim.common import app
 from gajim.plugins import GajimPlugin
 from gajim.plugins.helpers import log, log_calls
 from gajim.plugins.gui import GajimPluginConfigDialog
-
-# Since Gajim 1.1.0 _() has to be imported
-try:
-    from gajim.common.i18n import _
-except ImportError:
-    pass
+from gajim.plugins.plugins_i18n import _
 
 def latex_template(code):
     return '''\\documentclass[12pt]{article}