chore(deps): remove PostCSS IE11 plugin (#35093)

packages/livechat/package.json

@@ -69,7 +69,6 @@
 		"postcss-css-variables": "^0.19.0",
 		"postcss-dir-pseudo-class": "^9.0.1",
 		"postcss-flexbugs-fixes": "^5.0.2",
-		"postcss-ie11-supports": "^0.1.3",
 		"postcss-loader": "^8.1.1",
 		"postcss-logical": "^8.0.0",
 		"postcss-scss": "^4.0.9",

postcss.config.js

@@ -1,14 +1,13 @@
 module.exports = {
 	plugins: {
-		autoprefixer: {},
+		'autoprefixer': {},
 		'postcss-css-variables': {
 			preserve: true,
 		},
 		'postcss-selector-not': {},
 		'postcss-flexbugs-fixes': {},
-		'postcss-ie11-supports': {},
 		'postcss-logical': {},
 		'postcss-dir-pseudo-class': {},
-		cssnano: {},
+		'cssnano': {},
 	},
 };

yarn.lock

@@ -8070,7 +8070,6 @@ __metadata:
     postcss-css-variables: "npm:^0.19.0"
     postcss-dir-pseudo-class: "npm:^9.0.1"
     postcss-flexbugs-fixes: "npm:^5.0.2"
-    postcss-ie11-supports: "npm:^0.1.3"
     postcss-loader: "npm:^8.1.1"
     postcss-logical: "npm:^8.0.0"
     postcss-scss: "npm:^4.0.9"
@@ -29988,15 +29987,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss-ie11-supports@npm:^0.1.3":
-  version: 0.1.3
-  resolution: "postcss-ie11-supports@npm:0.1.3"
-  dependencies:
-    postcss: "npm:^6.0.21"
-  checksum: 10/31b2811416b6e849e0f0df4e5946633a3fe66870c9d9d9a8b845f2c851bc394d0f4284acbba70c960f2945e48cf3a6fa98ec6e731d1e67c5990a5210102e813a
-  languageName: node
-  linkType: hard
-
 "postcss-import@npm:^14.0.0":
   version: 14.1.0
   resolution: "postcss-import@npm:14.1.0"
@@ -30527,17 +30517,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^6.0.21":
-  version: 6.0.23
-  resolution: "postcss@npm:6.0.23"
-  dependencies:
-    chalk: "npm:^2.4.1"
-    source-map: "npm:^0.6.1"
-    supports-color: "npm:^5.4.0"
-  checksum: 10/218e21b4f42b2147b03c1a8898271629c9fd5b53a08c6e3e1f0f7808bdcaf21a51f0e2040ab32ce92a083f37d07b205f581b2923d6bb6cdcf80cf275ba2b7225
-  languageName: node
-  linkType: hard
-
 "postcss@npm:^7.0.0, postcss@npm:^7.0.1, postcss@npm:^7.0.14, postcss@npm:^7.0.27, postcss@npm:^7.0.32, postcss@npm:^7.0.5, postcss@npm:^7.0.6":
   version: 7.0.39
   resolution: "postcss@npm:7.0.39"
@@ -34842,7 +34821,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"supports-color@npm:^5.3.0, supports-color@npm:^5.4.0":
+"supports-color@npm:^5.3.0":
   version: 5.5.0
   resolution: "supports-color@npm:5.5.0"
   dependencies: