message: fix(sfc): remove sfc scoped deep syntax deprecation warnings
diff: import { PluginCreator, Rule, AtRule } from 'postcss'
  import selectorParser from 'postcss-selector-parser'
  -import { warn } from '../warn'
  const animationNameRE = /^(-\w+-)?animation-name$/
  const animationRE = /^(-\w+-)?animation$/
  @@ -94,10 +93,10 @@ function rewriteSelector(
  ) {
  n.value = ' '
  n.spaces.before = n.spaces.after = ''
  - warn(
  - `the >>> and /deep/ combinators have been deprecated. ` +
  - `Use :deep() instead.`
  - )
  + // warn(
  + // `the >>> and /deep/ combinators have been deprecated. ` +
  + // `Use :deep() instead.`
  + // )
  return false
  }
  @@ -126,12 +125,12 @@ function rewriteSelector(
  }
  selector.removeChild(n)
  } else {
  - // DEPRECATED usage
  + // DEPRECATED usage in v3
  // .foo ::v-deep .bar -> .foo[xxxxxxx] .bar
  - warn(
  - `::v-deep usage as a combinator has ` +
  - `been deprecated. Use :deep(<inner-selector>) instead.`
  - )
  + // warn(
  + // `::v-deep usage as a combinator has ` +
  + // `been deprecated. Use :deep(<inner-selector>) instead.`
  + // )
  const prev = selector.at(selector.index(n) - 1)
  if (prev && isSpaceCombinator(prev)) {
  selector.removeChild(prev)
  