Item 43: Annex B Remove duplicate

Add `[§7.9]` xref to item 9 (alongside existing `[§7.2]`), then remove the duplicate item 11 on line 41.

Author: BillWagner

standard/portability-issues.md

@@ -32,9 +32,8 @@ A conforming implementation is required to document its choice of behavior in ea
 1. The mechanism for determining whether a program is compiled as a class library or as an application. ([§7.1](basic-concepts.md#71-application-startup))
 1. The policy or mechanisms used by an implementation for the creation and destruction of application domains. ([§7.1](basic-concepts.md#71-application-startup))
 1. The exit code if the effective entry point method terminates due to an exception. ([§7.2](basic-concepts.md#72-application-termination))
-1. Whether or not finalizers are run as part of application termination. ([§7.2](basic-concepts.md#72-application-termination))
+1. Whether or not finalizers are run as part of application termination. ([§7.2](basic-concepts.md#72-application-termination), §7.9)
 1. Whether APIs allow a finalizer to be run more than once. ([§7.9](basic-concepts.md#79-automatic-memory-management))
-1. Whether or not finalizers are run as part of application termination. ([§7.9](basic-concepts.md#79-automatic-memory-management))
 1. The API surface provided by `Expression<TDelegate>` beyond the requirement for a `Compile` method. ([§8.6](types.md#86-expression-tree-types))
 1. The precise structure of the expression tree, as well as the exact process for creating it, when an anonymous function is converted to an expression-tree. ([§10.7.3](conversions.md#1073-evaluation-of-lambda-expression-conversions-to-expression-tree-types))
 1. The reason a conversion to a compatible delegate type may fail at compile-time. ([§10.7.3](conversions.md#1073-evaluation-of-lambda-expression-conversions-to-expression-tree-types))