eclipse#503 udpate release note accordingly to remove eclipse#365

Signed-off-by: Emily Jiang <[email protected]>

spec/src/main/asciidoc/release_notes.asciidoc

@@ -116,17 +116,6 @@ A full list of changes delivered in the 1.4 release can be found at link:https:/
 
 === API/SPI Changes
 
-- ConfigProperty provides the _NULL_VALUE_ so that _null_ can be specified as a default value for injection (link:https://github.com/eclipse/microprofile-config/issues/365[#365])
-[source, java]
-----
-    //Injects the value of the property myprj.name if specified in any of the configures. 
-    //Otherwise, _null_ will be injected. 
-    @Inject
-    @ConfigProperty(name="myprj.name" defaultValue=ConfigProperty.NULL_VALUE)
-    String name;
-
-----
-
 - Prevent incorrect caching of ConfigProviderResolver (link:https://github.com/eclipse/microprofile-config/issues/265[#265])
 - ConfigProviderResolver classloading issues (link:https://github.com/eclipse/microprofile-config/issues/450[#450]) (link:https://github.com/eclipse/microprofile-config/issues/390[#390])
 - Converter extends Serializable (link:https://github.com/eclipse/microprofile-config/issues/473[#473])