Remove section separation for a visually better example

Author: PProfizi

examples/02-modal-harmonic/06-cycles_to_failure.py

@@ -37,7 +37,6 @@
 sn_data[:, 1] = [3.999e9, 2.8327e9, 1.896e9, 1.413e9, 1.069e9, 4.41e8, 2.62e8, 2.14e8, 1.38e8,
                  1.14e8, 8.62e7]
 
-###############################################################################
 
 # The .rst file used in this example is already available, but can be obtained using the short pyMAPDL code below:
 
@@ -72,7 +71,6 @@
 # mapdl.exit()
 # print('apdl model solved.')
 
-###############################################################################
 
 # PyDPF-Core is then used to post-process the .rst file to estimate the cycles to failure.