Remove is_legacy_javascript_entrypoint

This removes the now-obsolete is_legacy_javascript_entrypoint build flag,
which was used as part of the devtools_entrypoint migration.

This uncovered that accessibility was still using devtools_pre_built
and a file was missing from the GRD variable.

[email protected],[email protected]

Fixed: 1101738
Change-Id: Ie1556ccc1d1563c855417de18e896308de0cfe19
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2356305
Reviewed-by: Paul Lewis <[email protected]>
Reviewed-by: Jack Franklin <[email protected]>
Commit-Queue: Tim van der Lippe <[email protected]>
diff --git a/devtools_grd_files.gni b/devtools_grd_files.gni
index 913e809..8babef8 100644
--- a/devtools_grd_files.gni
+++ b/devtools_grd_files.gni
@@ -315,6 +315,7 @@
   "front_end/accessibility/AccessibilitySidebarView.js",
   "front_end/accessibility/AccessibilityStrings.js",
   "front_end/accessibility/AccessibilitySubPane.js",
+  "front_end/accessibility/SourceOrderView.js",
   "front_end/animation/AnimationGroupPreviewUI.js",
   "front_end/animation/AnimationModel.js",
   "front_end/animation/AnimationScreenshotPopover.js",