Remove useless strings from translation

glances/plugins/glances_now.py

@@ -63,7 +63,7 @@ class Plugin(GlancesPlugin):
 
         # Build the string message
         # 23 is the padding for the process list
-        msg = _("{0:23}").format(self.stats)
+        msg = '{0:23}'.format(self.stats)
         ret.append(self.curse_add_line(msg))
 
         return ret

glances/plugins/glances_system.py

@@ -118,21 +118,21 @@ class Plugin(GlancesPlugin):
                 ret.append(self.curse_add_line(msg, 'CRITICAL'))
 
         # Hostname is mandatory
-        msg = _("{0}").format(self.stats['hostname'])
+        msg = self.stats['hostname']
         ret.append(self.curse_add_line(msg, "TITLE"))
         # System info
         if self.stats['os_name'] == "Linux":
-            msg = _(" ({0} {1} / {2} {3})").format(self.stats['linux_distro'],
-                                                   self.stats['platform'],
-                                                   self.stats['os_name'],
-                                                   self.stats['os_version'])
+            msg = " ({0} {1} / {2} {3})".format(self.stats['linux_distro'],
+                                                self.stats['platform'],
+                                                self.stats['os_name'],
+                                                self.stats['os_version'])
         else:
             try:
-                msg = _(" ({0} {1} {2})").format(self.stats['os_name'],
-                                                 self.stats['os_version'],
-                                                 self.stats['platform'])
+                msg = " ({0} {1} {2})".format(self.stats['os_name'],
+                                              self.stats['os_version'],
+                                              self.stats['platform'])
             except:
-                msg = _(" ({0})").format(self.stats['os_name'])
+                msg = " ({0})".format(self.stats['os_name'])
         ret.append(self.curse_add_line(msg, optional=True))
 
         # Return the message with decoration