remove clenENV from Example

PlotID_example.m

@@ -4,7 +4,7 @@
 
 %% Clear and set environment
 addpath('Examples');
-clearEnv; % contains clear clc, close all
+clear; close all; clc;
 
 %% Data (only necessary for this example)
 [x, y, datapath] = createExampleData('matlab');