Remove intellisenseEngineFallback description (#12655)

* Remove intellisenseEngineFallback description.
* Remove references to includeFallback.

Extension/package.json

@@ -3332,11 +3332,6 @@
                 "title": "%c_cpp.command.disableErrorSquiggles.title%",
                 "category": "C/C++"
             },
-            {
-                "command": "C_Cpp.ToggleIncludeFallback",
-                "title": "%c_cpp.command.toggleIncludeFallback.title%",
-                "category": "C/C++"
-            },
             {
                 "command": "C_Cpp.ToggleDimInactiveRegions",
                 "title": "%c_cpp.command.toggleDimInactiveRegions.title%",
@@ -5854,10 +5849,6 @@
                     "command": "C_Cpp.DisableErrorSquiggles",
                     "when": "config.C_Cpp.intelliSenseEngine =~ /^[dD]efault$/"
                 },
-                {
-                    "command": "C_Cpp.ToggleIncludeFallback",
-                    "when": "config.C_Cpp.intelliSenseEngine =~ /^[dD]efault$/"
-                },
                 {
                     "command": "C_Cpp.ToggleDimInactiveRegions",
                     "when": "config.C_Cpp.intelliSenseEngine =~ /^[dD]efault$/"

Extension/package.nls.json

@@ -17,7 +17,6 @@
     "c_cpp.command.switchHeaderSource.title": "Switch Header/Source",
     "c_cpp.command.enableErrorSquiggles.title": "Enable Error Squiggles",
     "c_cpp.command.disableErrorSquiggles.title": "Disable Error Squiggles",
-    "c_cpp.command.toggleIncludeFallback.title": "Toggle IntelliSense Engine Fallback on Include Errors",
     "c_cpp.command.toggleDimInactiveRegions.title": "Toggle Inactive Region Colorization",
     "c_cpp.command.resetDatabase.title": "Reset IntelliSense Database",
     "c_cpp.command.takeSurvey.title": "Take Survey",
@@ -469,12 +468,6 @@
     "c_cpp.configuration.intelliSenseEngine.default.description": "Provides context-aware results via a separate IntelliSense process.",
     "c_cpp.configuration.intelliSenseEngine.tagParser.description": "Provides \"fuzzy\" results that are not context-aware.",
     "c_cpp.configuration.intelliSenseEngine.disabled.description": "Turns off C/C++ language service features.",
-    "c_cpp.configuration.intelliSenseEngineFallback.markdownDescription": {
-        "message": "Controls whether the IntelliSense engine will automatically switch to the Tag Parser for translation units containing `#include` errors.",
-        "comment": [
-            "Markdown text between `` should not be translated or localized (they represent literal text) and the capitalization, spacing, and punctuation (including the ``) should not be altered."
-        ]
-    },
     "c_cpp.configuration.autocomplete.markdownDescription": {
         "message": "Controls the auto-completion provider. If `disabled` and you want word-based completion, you will also need to set `\"[cpp]\": {\"editor.wordBasedSuggestions\": <value>}` (and similarly for `c` and `cuda-cpp` languages).",
         "comment": [

Extension/src/LanguageServer/extension.ts

@@ -359,7 +359,6 @@ export function registerCommands(enabled: boolean): void {
     commandDisposables.push(vscode.commands.registerCommand('C_Cpp.AddToIncludePath', enabled ? onAddToIncludePath : onDisabledCommand));
     commandDisposables.push(vscode.commands.registerCommand('C_Cpp.EnableErrorSquiggles', enabled ? onEnableSquiggles : onDisabledCommand));
     commandDisposables.push(vscode.commands.registerCommand('C_Cpp.DisableErrorSquiggles', enabled ? onDisableSquiggles : onDisabledCommand));
-    commandDisposables.push(vscode.commands.registerCommand('C_Cpp.ToggleIncludeFallback', enabled ? onToggleIncludeFallback : onDisabledCommand));
     commandDisposables.push(vscode.commands.registerCommand('C_Cpp.ToggleDimInactiveRegions', enabled ? onToggleDimInactiveRegions : onDisabledCommand));
     commandDisposables.push(vscode.commands.registerCommand('C_Cpp.PauseParsing', enabled ? onPauseParsing : onDisabledCommand));
     commandDisposables.push(vscode.commands.registerCommand('C_Cpp.ResumeParsing', enabled ? onResumeParsing : onDisabledCommand));
@@ -754,12 +753,6 @@ function onDisableSquiggles(): void {
     settings.update<string>("errorSquiggles", "disabled");
 }
 
-function onToggleIncludeFallback(): void {
-    // This only applies to the active client.
-    const settings: CppSettings = new CppSettings(clients.ActiveClient.RootUri);
-    settings.toggleSetting("intelliSenseEngineFallback", "enabled", "disabled");
-}
-
 function onToggleDimInactiveRegions(): void {
     // This only applies to the active client.
     const settings: CppSettings = new CppSettings(clients.ActiveClient.RootUri);