Remove unused stuff

power_plot.py

@@ -32,9 +32,6 @@ from datetime import datetime
 
 from argparse import ArgumentParser
 
-# make this a cli option
-last_seconds = 10 * 60
-
 
 class PowerPlot:
     """A power plot with two time scales"""
@@ -124,11 +121,6 @@ class PowerPlotMainWindow(QMainWindow):
         first_time = datetime.utcfromtimestamp(float(values[0]))
         self.time_dt = np.array(date2num(first_time))
 
-        self.last_x_buffer = np.empty(last_seconds + 1)
-        self.last_x_buffer[:] = np.nan
-
-        self.min_range = np.arange(-last_seconds, 1, 1)
-
         self.data = np.array([float(values[self.col_num])])
 
         self.start_time = first_time
@@ -177,9 +169,6 @@ class PowerPlotMainWindow(QMainWindow):
             )
             self.data = np.append(self.data, power_now)
 
-            self.last_x_buffer = np.roll(self.last_x_buffer, -1)
-            self.last_x_buffer[-1] = power_now
-
             self.powerplot.set_totalplot_values(self.time_dt, self.data)
 
             now = time.time()