Remove duplicate infill overlap setting

infill_overlap and infill_overlap_mm were in conflict with each other. Went to the Materials team to resolve it. They say it should be 0.

Contributes to issue CURA-3650.

resources/quality/ultimaker3/um3_aa0.4_PC_Normal_Quality.inst.cfg

@@ -20,7 +20,6 @@ cool_min_layer_time_fan_speed_max = 5
 cool_min_speed = 5
 infill_line_width = =round(line_width * 0.4 / 0.35, 2)
 infill_overlap = 0
-infill_overlap_mm = 0.05
 infill_pattern = triangles
 infill_wipe_dist = 0.1
 jerk_enabled = True