Delete all code related to disabling multisample

Bug: skia:12196
Change-Id: Iae403ae28e134e4762fc7f58bbfe22bf8c42ab97
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/436317
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/samplecode/SamplePathTessellators.cpp b/samplecode/SamplePathTessellators.cpp
index 5bf5a9d..317ff4f 100644
--- a/samplecode/SamplePathTessellators.cpp
+++ b/samplecode/SamplePathTessellators.cpp
@@ -165,8 +165,7 @@
     SkString name() override { return SkString("PathTessellators"); }
 
     SkPath fPath;
-    GrPipeline::InputFlags fPipelineFlags = GrPipeline::InputFlags::kHWAntialias |
-                                            GrPipeline::InputFlags::kWireframe;
+    GrPipeline::InputFlags fPipelineFlags = GrPipeline::InputFlags::kWireframe;
     Mode fMode = Mode::kWedgeMiddleOut;
 
     float fConicWeight = .5;