Added Graph Plotting functions

models/modulation_schemes.py

@@ -358,7 +358,6 @@ def plot_output_graphs():
     modulation_scheme.plot(input, noisy)
     modulation_scheme.plot(input, demodulate)
 
-    #ber.append(modulation_scheme.demodulate(validation, outputs))
 def plot_fibre_length_vs_ber():
     lengths = np.linspace(5, 70, 1000)
     ber =[]