Remove SkMaxScalar and SkMinScalar

Use std::max and std::min instead

Change-Id: Icf3796609e5cb511687fb50bd31229ae4b6b9b39
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/268841
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
diff --git a/tools/sk_app/CommandSet.cpp b/tools/sk_app/CommandSet.cpp
index ea0eb13..3cafee5 100644
--- a/tools/sk_app/CommandSet.cpp
+++ b/tools/sk_app/CommandSet.cpp
@@ -126,7 +126,7 @@
     // Measure all key strings:
     SkScalar keyWidth = 0;
     for (Command& cmd : fCommands) {
-        keyWidth = SkMaxScalar(keyWidth,
+        keyWidth = std::max(keyWidth,
                                font.measureText(cmd.fKeyName.c_str(), cmd.fKeyName.size(),
                                                 SkTextEncoding::kUTF8));
     }