🔥 去除无意引入的 yarn.lock

package-lock.json

@@ -1028,6 +1028,28 @@
         }
       }
     },
+    "@fullhuman/postcss-purgecss": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npm.taobao.org/@fullhuman/postcss-purgecss/download/@fullhuman/postcss-purgecss-2.1.0.tgz",
+      "integrity": "sha1-lV/C4/abDQyENn7u5PhcASOKZdw=",
+      "requires": {
+        "postcss": "7.0.27",
+        "purgecss": "^2.1.0"
+      },
+      "dependencies": {
+        "purgecss": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npm.taobao.org/purgecss/download/purgecss-2.1.0.tgz",
+          "integrity": "sha1-baZV0WYHOCTv4lMrDGRmx0DZOdY=",
+          "requires": {
+            "commander": "^4.0.0",
+            "glob": "^7.0.0",
+            "postcss": "7.0.27",
+            "postcss-selector-parser": "^6.0.2"
+          }
+        }
+      }
+    },
     "@iarna/toml": {
       "version": "2.2.3",
       "resolved": "https://registry.npm.taobao.org/@iarna/toml/download/@iarna/toml-2.2.3.tgz",
@@ -3678,8 +3700,7 @@
     "commander": {
       "version": "4.1.1",
       "resolved": "https://registry.npm.taobao.org/commander/download/commander-4.1.1.tgz",
-      "integrity": "sha1-n9YCvZNilOnp70aj9NaWQESxgGg=",
-      "dev": true
+      "integrity": "sha1-n9YCvZNilOnp70aj9NaWQESxgGg="
     },
     "commondir": {
       "version": "1.0.1",