Remove some old input files

user_models/antenna_like_GSSI_1500_fs.in

@@ -1,11 +0,0 @@
-#title: GSSI 1.5GHz 'like' antenna in free-space
-#domain: 0.250 0.188 0.220
-#dx_dy_dz: 0.001 0.001 0.001
-#time_window: 6e-9
-
-#python:
-from user_libs.GPRAntennaModels.GSSI import antenna_like_GSSI_1500
-gssi_objects = antenna_like_GSSI_1500(0.125, 0.094, 0.100, resolution=0.001)
-for obj in gssi_objects:
-    print(obj)
-#end_python:

user_models/antenna_wire_dipole_fs.in

@@ -1,15 +0,0 @@
-#title: Wire antenna - half-wavelength dipole in free-space
-#domain: 0.050 0.050 0.200
-#dx_dy_dz: 0.001 0.001 0.001
-#time_window: 60e-9
-
-#waveform: gaussian 1 1e9 mypulse
-#transmission_line: z 0.025 0.025 0.100 73 mypulse
-
-## 150mm length
-#edge: 0.025 0.025 0.025 0.025 0.025 0.175 pec
-
-## 1mm gap at centre of dipole
-#edge: 0.025 0.025 0.100 0.025 0.025 0.101 free_space
-
-#geometry_view: 0.020 0.020 0.020 0.030 0.030 0.180 0.001 0.001 0.001 antenna_wire_dipole_fs f