RTC_[D]CHECK_op: Remove superfluous casts

webrtc/base/checks.h

Index: webrtc/base/checks.h
diff --git a/webrtc/base/checks.h b/webrtc/base/checks.h
index 653ed322e71d5d3de79eddc299c329d4abc60df2..e165741b85a903e77ecc58d4c6f9ef681aafad8c 100644
--- a/webrtc/base/checks.h
+++ b/webrtc/base/checks.h
@@ -246,8 +246,7 @@ class FatalMessage {
 // remainder is zero.
 template <typename T>
 inline T CheckedDivExact(T a, T b) {
-  RTC_CHECK_EQ(a % b, static_cast<T>(0)) << a << " is not evenly divisible by "
-                                         << b;
+  RTC_CHECK_EQ(a % b, 0) << a << " is not evenly divisible by " << b;
   return a / b;
 }