Remove stale flags names and descriptions

TBR=ellyjones

Bug: 937166
Change-Id: Ied71d51fcc84be401af0eced5b6559a62720f0dc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1659563Reviewed-by: ccameron <ccameron@chromium.org>
Commit-Queue: ccameron <ccameron@chromium.org>
Cr-Commit-Position: refs/heads/master@{#669146}

chrome/browser/flag_descriptions.cc

@@ -2753,18 +2753,6 @@ const char kImmersiveFullscreenName[] = "Immersive Fullscreen Toolbar";
 const char kImmersiveFullscreenDescription[] =
     "Automatically hide and show the toolbar in fullscreen.";
 
-const char kHostedAppsInWindowsName[] =
-    "Allow hosted apps to be opened in windows";
-const char kHostedAppsInWindowsDescription[] =
-    "Allows hosted apps to be opened in windows instead of being limited to "
-    "tabs.";
-
-const char kCreateAppWindowsInAppShimProcessName[] =
-    "Create native windows in the app process";
-const char kCreateAppWindowsInAppShimProcessDescription[] =
-    "Create native windows the app shim process, instead of of the browser "
-    "process.";
-
 const char kEnableCustomMacPaperSizesName[] = "Enable custom paper sizes";
 const char kEnableCustomMacPaperSizesDescription[] =
     "Allow use of custom paper sizes in Print Preview.";
@@ -2776,10 +2764,6 @@ const char kMacV2GPUSandboxName[] = "Mac V2 GPU Sandbox";
 const char kMacV2GPUSandboxDescription[] =
     "Controls whether the GPU process on macOS uses the V1 or V2 sandbox.";
 
-const char kMacViewsNativeAppWindowsName[] = "Toolkit-Views App Windows.";
-const char kMacViewsNativeAppWindowsDescription[] =
-    "Controls whether to use Toolkit-Views based Chrome App windows.";
-
 const char kMacViewsTaskManagerName[] = "Toolkit-Views Task Manager.";
 const char kMacViewsTaskManagerDescription[] =
     "Controls whether to use the Toolkit-Views based Task Manager.";

chrome/browser/flag_descriptions.h

@@ -1629,12 +1629,6 @@ extern const char kUseWinrtMidiApiDescription[];
 extern const char kImmersiveFullscreenName[];
 extern const char kImmersiveFullscreenDescription[];
 
-extern const char kHostedAppsInWindowsName[];
-extern const char kHostedAppsInWindowsDescription[];
-
-extern const char kCreateAppWindowsInAppShimProcessName[];
-extern const char kCreateAppWindowsInAppShimProcessDescription[];
-
 extern const char kEnableCustomMacPaperSizesName[];
 extern const char kEnableCustomMacPaperSizesDescription[];
 
@@ -1644,9 +1638,6 @@ extern const char kMacTouchBarDescription[];
 extern const char kMacV2GPUSandboxName[];
 extern const char kMacV2GPUSandboxDescription[];
 
-extern const char kMacViewsNativeAppWindowsName[];
-extern const char kMacViewsNativeAppWindowsDescription[];
-
 extern const char kMacViewsTaskManagerName[];
 extern const char kMacViewsTaskManagerDescription[];