ObjC→Swift: Phase 0 dead LC purge + MediaPicker Swift camera

Delete five unreachable LegacyComponents types and prefer the modern
Camera preview in the default media-picker grid (Phase 2 start).

Co-authored-by: D3C0Y <decoder-dev@users.noreply.github.com>

Author: decoder-dev

docs/plans/objc-to-swift-migration.md

@@ -70,8 +70,19 @@ Already done (do not redo):
 | Orphan headers in umbrella | Prune `LegacyComponents.h` exports for deleted symbols | Compile clean under `-Werror` |
 | Doc drift | Keep this plan + `SWIFT_MIGRATION.md` inventory in sync after each delete wave | Docs match `find`/`wc` |
 
+**2026-08-10 wave:** deleted `PGPhotoCustomFilterPass`, `TGBotInfo`,
+`TGModernMediaListItemContentView`, `TGStickerAssociation`,
+`UIScrollView+TGHacks` (+ umbrella exports).
+
 **Exit:** Continuous; run a pass before each numbered phase.
 
+## Phase 2 — Camera (finish the parallel migration) — IN PROGRESS
+
+**2026-08-10:** Media picker default asset mode now uses the Swift
+`CameraSimplePreviewView` path instead of `TGAttachmentCameraView`.
+`presentedLegacyCamera` / chat attach menu and Passport attach camera intents
+still use `TGCameraController` until those send-signal pipelines are flipped.
+
 ## Phase 1 — Passport (pilot cluster) — DONE 2026-08-10
 
 **Why first:** Smallest real neck. External Swift uses of the Passport ObjC

submodules/LegacyComponents/PublicHeaders/LegacyComponents/LegacyComponents.h

@@ -57,7 +57,6 @@
 #import <LegacyComponents/TGBackdropView.h>
 #import <LegacyComponents/TGBotComandInfo.h>
 #import <LegacyComponents/TGBotContextResultAttachment.h>
-#import <LegacyComponents/TGBotInfo.h>
 #import <LegacyComponents/TGBotReplyMarkup.h>
 #import <LegacyComponents/TGBotReplyMarkupButton.h>
 #import <LegacyComponents/TGBotReplyMarkupRow.h>
@@ -245,7 +244,6 @@
 #import <LegacyComponents/TGSecretTimerMenu.h>
 #import <LegacyComponents/TGStaticBackdropAreaData.h>
 #import <LegacyComponents/TGStaticBackdropImageData.h>
-#import <LegacyComponents/TGStickerAssociation.h>
 #import <LegacyComponents/TGStickerPack.h>
 #import <LegacyComponents/TGStickerPackReference.h>
 #import <LegacyComponents/TGStringUtils.h>
@@ -272,4 +270,3 @@
 #import <LegacyComponents/UIControl+HitTestEdgeInsets.h>
 #import <LegacyComponents/UIImage+TG.h>
 #import <LegacyComponents/UIImage+TGMediaEditableItem.h>
-#import <LegacyComponents/UIScrollView+TGHacks.h>