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/gpu/GrPrimitiveProcessor.cpp b/src/gpu/GrPrimitiveProcessor.cpp
index ade7e4d..e5f01be 100644
--- a/src/gpu/GrPrimitiveProcessor.cpp
+++ b/src/gpu/GrPrimitiveProcessor.cpp
@@ -55,7 +55,7 @@
 static inline GrSamplerState::Filter clamp_filter(GrTextureType type,
                                                   GrSamplerState::Filter requestedFilter) {
     if (GrTextureTypeHasRestrictedSampling(type)) {
-        return SkTMin(requestedFilter, GrSamplerState::Filter::kBilerp);
+        return std::min(requestedFilter, GrSamplerState::Filter::kBilerp);
     }
     return requestedFilter;
 }