drop warinings as errors for now

src/Shaper2D/PolygonClipper/Clipper.cs

@@ -140,12 +140,6 @@ namespace Shaper2D.PolygonClipper
                     continue;
                 }
 
-                //can't have only 2 verticies
-                //if (edge.PreviousEdge == edge.NextEdge)
-                //{
-                //    break; // only two vertices
-                //}
-
                 if (SlopesEqual(edge.PreviousEdge.Current, edge.Current, edge.NextEdge.Current))
                 {
                     // Collinear edges are allowed for open paths but in closed paths

src/Shaper2D/project.json

@@ -37,7 +37,7 @@
   "configurations": {
     "Release": {
       "buildOptions": {
-        "warningsAsErrors": true,
+        "warningsAsErrors": false,
         "optimize": true
       }
     }

tests/Shaper2D.Tests/project.json

@@ -3,7 +3,7 @@
   "configurations": {
     "Release": {
       "buildOptions": {
-        "warningsAsErrors": true
+        "warningsAsErrors": false
       }
     }
   },