No need to mention if/if-let expressions.

ehuss · ehuss · commit 36b557cb40b7 · 2020-04-09T20:33:34.000-07:00
The first point ("Before an expression") covers those.
diff --git a/src/expressions.md b/src/expressions.md
@@ -272,7 +272,6 @@ a few specific cases:
         https://github.com/rust-lang/rust/issues/15701
   -->
 * The tail expression of [block expressions].
-* [`if`][_IfExpression_] and [`if let`][_IfLetExpression_] expressions.
 <!-- Keep list in sync with block-expr.md -->
 
 They are never allowed before:
