Remove Filter Out Tiny Gaps setting

It is no longer used since we've removed the Fill Gaps Between Walls setting. This setting is no longer referred to from CuraEngine.

Contributes to issue CURA-8466.

plugins/VersionUpgrade/VersionUpgrade413to50/VersionUpgrade413to50.py

@@ -11,6 +11,7 @@ _removed_settings = {
     "travel_compensate_overlapping_walls_0_enabled",
     "travel_compensate_overlapping_walls_x_enabled",
     "fill_perimeter_gaps",
+    "filter_out_tiny_gaps",
     "wall_min_flow",
     "wall_min_flow_retract",
     "speed_equalize_flow_enabled",

resources/definitions/fdmprinter.def.json

@@ -1205,15 +1205,6 @@
                     "limit_to_extruder": "infill_extruder_nr",
                     "settable_per_mesh": true
                 },
-                "filter_out_tiny_gaps":
-                {
-                    "label": "Filter Out Tiny Gaps",
-                    "description": "Filter out tiny gaps to reduce blobs on outside of model.",
-                    "type": "bool",
-                    "default_value": true,
-                    "limit_to_extruder": "wall_0_extruder_nr",
-                    "settable_per_mesh": true
-                },
                 "min_wall_line_width":
                 {
                     "label": "Minimum Wall Line Width",