Remove unnecessary files.

drawing.spiro

@@ -1,47 +0,0 @@
-{
-  "$id": "1",
-  "$type": "SpiroNet.Editor.SpiroDrawing, SpiroNet.Editor",
-  "Width": 600.0,
-  "Height": 600.0,
-  "Shapes": [
-    {
-      "$id": "2",
-      "$type": "SpiroNet.Editor.SpiroShape, SpiroNet.Editor",
-      "IsStroked": true,
-      "IsFilled": false,
-      "IsClosed": true,
-      "IsTagged": false,
-      "Points": [
-        {
-          "$id": "3",
-          "$type": "SpiroNet.SpiroControlPoint, SpiroNet",
-          "X": 435.0,
-          "Y": 285.0,
-          "Type": 111
-        },
-        {
-          "$id": "4",
-          "$type": "SpiroNet.SpiroControlPoint, SpiroNet",
-          "X": 300.0,
-          "Y": 360.0,
-          "Type": 111
-        },
-        {
-          "$id": "5",
-          "$type": "SpiroNet.SpiroControlPoint, SpiroNet",
-          "X": 195.0,
-          "Y": 195.0,
-          "Type": 111
-        },
-        {
-          "$id": "6",
-          "$type": "SpiroNet.SpiroControlPoint, SpiroNet",
-          "X": 330.0,
-          "Y": 90.0,
-          "Type": 111
-        }
-      ]
-    }
-  ],
-  "Guides": []
-}

drawing.svg

@@ -1,15 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="600" height="600">
-  <path style="stroke:#000000;stroke-opacity:1;stroke-width:2;fill:none"
-        d="M 435,285
-           C 422.901434085021,309.711206491614 403.486293631806,330.899532056837 379.565305786861,344.493845720729
-           C 355.644317941916,358.08815938462 327.244921882832,363.838392250494 300,360
-           C 263.646184799118,354.878304179287 230.388462783542,332.359569049982 211.13966165085,301.097526527238
-           C 191.890860518158,269.835484004494 186.38188888201,230.686969729829 195,195
-           C 202.261599281181,164.930246873159 219.449096752098,137.213525263681 243.654023945783,117.951064964488
-           C 267.858951139468,98.6886046652946 299.115147560887,88.2545009184267 330,90
-           C 351.778053326132,91.230816049847 373.176991063672,98.4052216038469 391.350585193004,110.46834687248
-           C 409.524179322336,122.531472141113 424.425352197467,139.403832182164 434.44023291782,158.781672076783
-           C 454.469994358529,197.537351866021 454.183243308011,245.818406930253 435,285
-           Z"/>
-</svg>