Fix retraction window of PLA and Nylon of 0.25mm profiles

This was probably caused by having wrong default profiles.

We're checking the rest of the settings again now just to be sure, because this probably has more implications elsewhere too.

resources/quality/ultimaker3/um3_aa0.25_Nylon_Normal_Quality.inst.cfg

@@ -24,7 +24,6 @@ raft_interface_thickness = =round(machine_nozzle_size * 0.3 / 0.4, 3)
 raft_jerk = =jerk_layer_0
 raft_margin = 10
 raft_surface_thickness = =round(machine_nozzle_size * 0.2 / 0.4, 2)
-retraction_extrusion_window = =retraction_amount
 retraction_min_travel = =line_width * 2
 skin_overlap = 50
 speed_print = 70

resources/quality/ultimaker3/um3_aa0.25_PLA_Normal_Quality.inst.cfg

@@ -21,7 +21,6 @@ machine_nozzle_heat_up_speed = 2.0
 material_final_print_temperature = =max(-273.15, material_print_temperature - 15)
 material_initial_print_temperature = =max(-273.15, material_print_temperature - 10)
 material_print_temperature = 190
-retraction_extrusion_window = =retraction_amount
 retraction_hop = 0.2
 skin_overlap = 5
 speed_layer_0 = 30