fix (GraphUtilities): stop using matplotlib deprecated methods

Author: chaen

src/DIRAC/Core/Utilities/Graphs/GraphUtilities.py

@@ -373,8 +373,6 @@ def get_locator(self, dmin, dmax):
         locator = RRuleLocator(rrule, self.tz)
         locator.set_axis(self.axis)
 
-        locator.set_view_interval(*self.axis.get_view_interval())
-        locator.set_data_interval(*self.axis.get_data_interval())
         return locator