[ci skip] Add cleanup of Randomizer exceptions to NEWS

Author: TimWolla

NEWS

@@ -35,8 +35,10 @@ PHP                                                                        NEWS
     generating uniform integers within a given range). (timwolla)
   . Fixed bug GH-9089 (Fix memory leak on Randomizer::__construct()
     call twice) (zeriyoshi)
-  . Change Mt19937 to throw a ValueError instead of InvalidArgumentException
+  . Changed Mt19937 to throw a ValueError instead of InvalidArgumentException
     for invalid $mode. (timwolla)
+  . Removed redundant RuntimeExceptions from Randomizer methods. The
+    exceptions thrown by the engines will be exposed directly. (timwolla)
 
 - Sockets:
   . Added SOL_FILTER socket option for Solaris. (David Carlier)