Remove "sanity"/"insane" to comply with Android's inclusive language guidance

See https://source.android.com/setup/contribute/respectful-code for reference

Bug: 162536543
Change-Id: Ia9c81c2251ac7bf4eef6d37799741612989fc9c0
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/307228
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Leon Scroggins <scroggo@google.com>
diff --git a/src/codec/SkWebpCodec.cpp b/src/codec/SkWebpCodec.cpp
index e901957..b66d576 100644
--- a/src/codec/SkWebpCodec.cpp
+++ b/src/codec/SkWebpCodec.cpp
@@ -77,7 +77,7 @@
     const int width = WebPDemuxGetI(demux, WEBP_FF_CANVAS_WIDTH);
     const int height = WebPDemuxGetI(demux, WEBP_FF_CANVAS_HEIGHT);
 
-    // Sanity check for image size that's about to be decoded.
+    // Validate the image size that's about to be decoded.
     {
         const int64_t size = sk_64_mul(width, height);
         // now check that if we are 4-bytes per pixel, we also don't overflow