Enable readability-redundant-control-flow checks

These checks are a nice addition to our static analysis, as they
simplify code quite a bit, as can be seen by this diff being negative
lines.

Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: I60ede4ad23d7e5337e811d70ddcab24bf8986891
diff --git a/.clang-tidy b/.clang-tidy
index ffb6b06..0a7f665 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -274,6 +274,7 @@
 readability-deleted-default,
 readability-else-after-return,
 readability-named-parameter,
+readability-redundant-control-flow,
 readability-identifier-naming'
 
 WarningsAsErrors: '*'