Simplify common case of linear filtering with no mips

Change-Id: I08b4a7bc088705b93a0aa680f6733d09c7ad23dd
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/354221
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/samplecode/SampleSlides.cpp b/samplecode/SampleSlides.cpp
index b466c19..a17a674 100644
--- a/samplecode/SampleSlides.cpp
+++ b/samplecode/SampleSlides.cpp
@@ -245,8 +245,7 @@
 
     decode_file("/skimages/logo.gif", &bm);
     size->set(bm.width(), bm.height());
-    return bm.makeShader(SkSamplingOptions(SkFilterMode::kLinear,
-                                           SkMipmapMode::kNone));
+    return bm.makeShader(SkSamplingOptions(SkFilterMode::kLinear));
 }
 
 static sk_sp<SkShader> make_shader1(const SkIPoint& size) {