Remove SkTMin and SkTMax

Use std::min and std::max everywhere.

SkTPin still exists. We can't use std::clamp yet, and even when
we can, it has undefined behavior with NaN. SkTPin is written
to ensure that we return a value in the [lo, hi] range.

Change-Id: I506852a36e024ae405358d5078a872e2c77fa71e
Docs-Preview: https://skia.org/?cl=269357
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/269357
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/src/effects/SkDiscretePathEffect.cpp b/src/effects/SkDiscretePathEffect.cpp
index 93ea43f..4ad1165 100644
--- a/src/effects/SkDiscretePathEffect.cpp
+++ b/src/effects/SkDiscretePathEffect.cpp
@@ -103,7 +103,7 @@
         } else {
             int         n = SkScalarRoundToInt(length / fSegLength);
             constexpr int kMaxReasonableIterations = 100000;
-            n = SkTMin(n, kMaxReasonableIterations);
+            n = std::min(n, kMaxReasonableIterations);
             SkScalar    delta = length / n;
             SkScalar    distance = 0;