[browser] Remove rest of StartupMemoryCache (#115878)

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: pavelsavara <[email protected]>

Author: Copilot

src/mono/nuget/Microsoft.NET.Sdk.WebAssembly.Pack/build/Microsoft.NET.Sdk.WebAssembly.Browser.targets

@@ -188,7 +188,6 @@ Copyright (c) .NET Foundation. All rights reserved.
       <_WasmEnableWebcil>$(WasmEnableWebcil)</_WasmEnableWebcil>
       <_WasmEnableWebcil Condition="'$(_TargetingNET80OrLater)' != 'true'">false</_WasmEnableWebcil>
       <_WasmEnableWebcil Condition="'$(_WasmEnableWebcil)' == ''">true</_WasmEnableWebcil>
-      <_BlazorWebAssemblyStartupMemoryCache>$(BlazorWebAssemblyStartupMemoryCache)</_BlazorWebAssemblyStartupMemoryCache>
       <_BlazorWebAssemblyJiterpreter>$(BlazorWebAssemblyJiterpreter)</_BlazorWebAssemblyJiterpreter>
       <_BlazorWebAssemblyRuntimeOptions>$(BlazorWebAssemblyRuntimeOptions)</_BlazorWebAssemblyRuntimeOptions>
       <_WasmInlineBootConfig>$(WasmInlineBootConfig)</_WasmInlineBootConfig>
@@ -398,7 +397,6 @@ Copyright (c) .NET Foundation. All rights reserved.
       InvariantGlobalization="$(InvariantGlobalization)"
       LoadCustomIcuData="$(_LoadCustomIcuData)"
       LoadFullICUData="$(_BlazorWebAssemblyLoadAllGlobalizationData)"
-      StartupMemoryCache="$(_BlazorWebAssemblyStartupMemoryCache)"
       Jiterpreter="$(_BlazorWebAssemblyJiterpreter)"
       RuntimeOptions="$(_BlazorWebAssemblyRuntimeOptions)"
       Extensions="@(WasmBootConfigExtension)"
@@ -807,7 +805,6 @@ Copyright (c) .NET Foundation. All rights reserved.
       InvariantGlobalization="$(InvariantGlobalization)"
       LoadCustomIcuData="$(_LoadCustomIcuData)"
       LoadFullICUData="$(_BlazorWebAssemblyLoadAllGlobalizationData)"
-      StartupMemoryCache="$(_BlazorWebAssemblyStartupMemoryCache)"
       Jiterpreter="$(_BlazorWebAssemblyJiterpreter)"
       RuntimeOptions="$(_BlazorWebAssemblyRuntimeOptions)"
       EnvVariables="@(WasmEnvironmentVariable)"

src/mono/sample/wasm/browser-advanced/main.js

@@ -37,7 +37,6 @@ try {
         // here we show how emscripten could be further configured
         // It is preferred to use specific 'with***' methods instead in all other cases.
         .withConfig({
-            startupMemoryCache: true,
             maxParallelDownloads: 1,
             resources: {
                 modulesAfterConfigLoaded: {

src/tasks/Microsoft.NET.Sdk.WebAssembly.Pack.Tasks/BootJsonData.cs

@@ -85,11 +85,6 @@ public class BootJsonData
     /// </summary>
     public string globalizationMode { get; set; }
 
-    /// <summary>
-    /// Gets or sets a value that determines if the caching startup memory is enabled.
-    /// </summary>
-    public bool? startupMemoryCache { get; set; }
-
     /// <summary>
     /// Gets a value for mono runtime options.
     /// </summary>

src/tasks/Microsoft.NET.Sdk.WebAssembly.Pack.Tasks/GenerateWasmBootJson.cs

@@ -64,8 +64,6 @@ public class GenerateWasmBootJson : Task
 
     public string? RuntimeConfigJsonPath { get; set; }
 
-    public string StartupMemoryCache { get; set; }
-
     public string Jiterpreter { get; set; }
 
     public string RuntimeOptions { get; set; }
@@ -117,7 +115,6 @@ private void WriteBootConfig(string entryAssemblyName)
         var result = new BootJsonData
         {
             resources = new ResourcesData(),
-            startupMemoryCache = helper.ParseOptionalBool(StartupMemoryCache)
         };
 
         if (IsTargeting100OrLater())