Update cpp/ql/lib/change-notes/released/0.3.0.md

Author: asgerf

cpp/ql/lib/change-notes/released/0.3.0.md

@@ -4,10 +4,6 @@
 
 * The `BarrierGuard` class has been deprecated. Such barriers and sanitizers can now instead be created using the new `BarrierGuard` parameterized module.
 
-### New Features
-
-* An `isBraced` predicate was added to the `Initializer` class which holds when a C++ braced initializer was used in the initialization.
-
 ### Bug Fixes
 
 * `UserType.getADeclarationEntry()` now yields all forward declarations when the user type is a `class`, `struct`, or `union`.