feat: remove pointer event polyfill — use native Pointer Events

All modern browsers support Pointer Events natively (Chrome 55+,
Firefox 59+, Safari 13+, Edge 12+). The polyfill (based on Polymer,
~830 LOC) was already a no-op due to `if(window.PointerEvent) return`.

Removed:
- jquery__event_type_pointernative (W3C Pointer Events polyfill)
- jquery__event_type_pointerclick (pointerclick custom event)
- jquery__event_type_pointerpressrelease (pointerpress/release)
- jquery__event element docs and all related tests/fixtures

Use native pointerdown/pointerup/click events directly.
MAX_ALLOWED_FAILURES → 0, all 513 browser tests pass.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: veged

build/platforms/desktop.js

@@ -28,9 +28,6 @@ import 'bem:i-bem__collection';
 // DOM utilities
 import 'bem:jquery__config';
 import 'bem:jquery';
-import 'bem:jquery__event_type_pointernative';
-import 'bem:jquery__event_type_pointerclick';
-import 'bem:jquery__event_type_pointerpressrelease';
 import 'bem:jquery__event_type_winresize';
 import 'bem:dom';
 

build/platforms/touch.js

@@ -28,9 +28,6 @@ import 'bem:i-bem__collection';
 // DOM utilities
 import 'bem:jquery__config';
 import 'bem:jquery';
-import 'bem:jquery__event_type_pointernative';
-import 'bem:jquery__event_type_pointerclick';
-import 'bem:jquery__event_type_pointerpressrelease';
 import 'bem:dom';
 
 // i-bem-dom and its subsystems