As there should never be an sfh.age in sed.info when we add it, remove the...

As there should never be an sfh.age in sed.info when we add it, remove the option to force an update. Better to stop as it shows there is something wrong going on.

pcigale/sed/__init__.py

@@ -87,7 +87,7 @@ class SED(object):
             self.add_info("sfh.sfr", sfh_sfr[-1], True)
             self.add_info("sfh.sfr10Myrs", np.mean(sfh_sfr[-10:]), True)
             self.add_info("sfh.sfr100Myrs", np.mean(sfh_sfr[-100:]), True)
-            self.add_info("sfh.age", sfh_time[-1], False, True)
+            self.add_info("sfh.age", sfh_time[-1], False)
 
     @property
     def fnu(self):