Fixes dotnet#44167

The `skiplocalsinit` flag is a compiler feature that is already documented in the compiler switches section. It's not a *language feature*, so remove the speclet from publication in the standard section.

docfx.json

@@ -76,7 +76,8 @@
                     "csharp-8.0/nested-stackalloc.md",
                     "csharp-9.0/nullable-reference-types-specification.md",
                     "csharp-9.0/nullable-constructor-analysis.md",
-                    "csharp-9.0/nullable-parameter-default-value-analysis.md"
+                    "csharp-9.0/nullable-parameter-default-value-analysis.md",
+                    "csharp-9.0/skip-localsinit.md"
                 ]
             },
             {
@@ -625,7 +626,6 @@
                 "_csharplang/proposals/csharp-9.0/native-integers.md": "Native sized integers",
                 "_csharplang/proposals/csharp-9.0/patterns3.md": "Pattern matching changes",
                 "_csharplang/proposals/csharp-9.0/records.md": "Records",
-                "_csharplang/proposals/csharp-9.0/skip-localsinit.md": "Suppress emitting localsinit flag",
                 "_csharplang/proposals/csharp-9.0/static-anonymous-functions.md": "Static anonymous functions",
                 "_csharplang/proposals/csharp-9.0/target-typed-conditional-expression.md": "Target-typed conditional expression",
                 "_csharplang/proposals/csharp-9.0/target-typed-new.md": "Target-typed new expressions",
@@ -745,7 +745,6 @@
                 "_csharplang/proposals/csharp-9.0/native-integers.md": "This feature specification describes native sized integers, which are integer types that use the processor's natural integral types.",
                 "_csharplang/proposals/csharp-9.0/patterns3.md": "This feature specification describes the additional pattern matching syntax added in C# 9.0. This includes relational patterns, 'and' and 'or' patterns, negated patterns and parenthesized patterns.",
                 "_csharplang/proposals/csharp-9.0/records.md": "This feature specification describes records. Records are reference types that provide value based equality semantics.",
-                "_csharplang/proposals/csharp-9.0/skip-localsinit.md": "This feature specification describes a performance enhancement to suppress emitting localsinit flag. This will prevent the runtime from initializing memory to 0 as part of allocating it.",
                 "_csharplang/proposals/csharp-9.0/static-anonymous-functions.md": "This feature specification describes static anonymous functions. Static anonymous functions are lambda expressions that are prohibited from accessing variables in the enclosing scope. That prevents them from creating a closure.",
                 "_csharplang/proposals/csharp-9.0/target-typed-conditional-expression.md": "This feature specification describes syntax rules to find a best match for the target of a conditional expression (?:).",
                 "_csharplang/proposals/csharp-9.0/target-typed-new.md": "This feature specification describes the enhancements to 'new' where the target type can be inferred from the variable declaration.",

docs/csharp/specification/toc.yml

@@ -85,8 +85,6 @@ items:
       href: ../../../_csharplang/proposals/csharp-9.0/top-level-statements.md
     - name: Module initializers
       href: ../../../_csharplang/proposals/csharp-9.0/module-initializers.md
-    - name: Suppress emitting localsinit flag
-      href: ../../../_csharplang/proposals/csharp-9.0/skip-localsinit.md
   - name: Types
     items:
     - name: Records

docs/csharp/whats-new/csharp-version-history.md

@@ -123,7 +123,7 @@ C# 9 was released with .NET 5. It's the default language version for any assembl
 - [Performance and interop](#performance-and-interop)
   - [Native sized integers](~/_csharplang/proposals/csharp-9.0/native-integers.md)
   - [Function pointers](~/_csharplang/proposals/csharp-9.0/function-pointers.md)
-  - [Suppress emitting localsinit flag](~/_csharplang/proposals/csharp-9.0/skip-localsinit.md)
+  - [Suppress emitting localsinit flag](https://github.com/dotnet/csharplang/blob/main/proposals/csharp-9.0/skip-localsinit.md)
   - [Module initializers](~/_csharplang/proposals/csharp-9.0/module-initializers.md)
   - [New features for partial methods](~/_csharplang/proposals/csharp-9.0/extending-partial-methods.md)
 - [Fit and finish features](#fit-and-finish-features)