Remove chromestatus.com usage stats (#1235)

Chrome usage stats for web-features is now being maintained in the
Chromium repository:
https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/public/mojom/use_counter/metrics/webdx_feature.mojom;drc=41e539e573351d8e57160f2de3201c28e4a3cc19

All of the 87 features touched here have an enum entry in the above
webdx_feature.mojom file, confirmed by transforming the feature
identifier to kCamelCase and looking for an exact match in the list.

Author: foolip

features/accent-color.yml

@@ -1,4 +1,3 @@
 name: accent-color
 description: The `accent-color` CSS property sets a color for checkboxes, radio buttons, and other form controls.
 spec: https://drafts.csswg.org/css-ui-4/#widget-accent
-usage_stats: https://chromestatus.com/metrics/css/timeline/popularity/695

features/animation-composition.yml

@@ -1,4 +1,3 @@
 name: animation-composition
 description: The `animation-composition` CSS property chooses how to combine animations that affect the same property.
 spec: https://drafts.csswg.org/css-animations-2/#animation-composition
-usage_stats: https://chromestatus.com/metrics/css/timeline/popularity/743

features/appearance.yml

@@ -1,4 +1,3 @@
 name: appearance
 description: "The `appearance` CSS property controls the appearance of form controls. Using `appearance: none` disables any default native appearance and allows the elements to be styled with CSS."
 spec: https://drafts.csswg.org/css-ui-4/#appearance-switching
-usage_stats: https://chromestatus.com/metrics/css/timeline/popularity/658

features/aspect-ratio.yml

@@ -1,4 +1,3 @@
 name: aspect-ratio
 description: "The `aspect-ratio` CSS property controls the width-to-height ratio of elements. For `<img>` and `<video>` elements, the `width` and `height` attributes used together with `height: auto` control the aspect ratio while the image/video is loading."
 spec: https://drafts.csswg.org/css-sizing-4/#aspect-ratio
-usage_stats: https://chromestatus.com/metrics/css/timeline/popularity/657

features/avif.yml

@@ -2,7 +2,6 @@ name: AVIF
 description: AVIF (AV1 Image File Format) is an image format based on the AV1 video format.
 spec: https://aomediacodec.github.io/av1-avif/
 caniuse: avif
-usage_stats: https://chromestatus.com/metrics/feature/timeline/popularity/3798
 # TODO: Add notes about animated AVIF coming later in Safari (but don't mark this as partially supported)
 status:
   baseline: low

features/backdrop-filter.yml

@@ -2,4 +2,3 @@ name: backdrop-filter
 description: The `backdrop-filter` CSS property applies graphical effects such as blurring or color shifting to the area behind an element.
 spec: https://drafts.fxtf.org/filter-effects-2/#BackdropFilterProperty
 caniuse: css-backdrop-filter
-usage_stats: https://chromestatus.com/metrics/css/timeline/popularity/508

features/blocking-render.yml

@@ -8,4 +8,3 @@ description: 'The `blocking="render"` attribute for `<link>`, `<script>`, and `<
 #  - Only works for on <link rel=stylesheet> and <link rel=expect>, not other <link>s
 spec: https://html.spec.whatwg.org/multipage/urls-and-fetching.html#blocking-attributes
 group: html
-usage_stats: https://chromestatus.com/metrics/feature/timeline/popularity/4183

features/border-image.yml

@@ -2,4 +2,3 @@ name: Border images
 description: The `border-image` CSS property draws an image around an element.
 spec: https://drafts.csswg.org/css-backgrounds-3/#border-images
 caniuse: border-image
-usage_stats: https://chromestatus.com/metrics/css/timeline/popularity/43

features/broadcast-channel.yml

@@ -2,4 +2,3 @@ name: BroadcastChannel
 description: The `BroadcastChannel` API allows you to send messages between same-origin browsing contexts, such as between the same page loaded in multiple tabs.
 spec: https://html.spec.whatwg.org/multipage/web-messaging.html#broadcasting-to-other-browsing-contexts
 caniuse: broadcastchannel
-usage_stats: https://chromestatus.com/metrics/feature/timeline/popularity/1447

features/canvas-context-lost.yml

@@ -2,4 +2,3 @@ name: contextlost and contextrestored
 description: The `contextlost` event for `<canvas>` fires when the canvas backing storage is lost, while the `contextrestored` event fires when it is recreated.
 spec: https://html.spec.whatwg.org/multipage/webappapis.html#context-lost-steps
 group: canvas
-usage_stats: https://chromestatus.com/metrics/feature/timeline/popularity/3974