build: fix deps

Author: meteorlxy

package.json

@@ -31,7 +31,6 @@
     "@vuepress/plugin-docsearch": "2.0.0-rc.7",
     "@vuepress/plugin-google-analytics": "2.0.0-rc.7",
     "@vuepress/plugin-register-components": "2.0.0-rc.7",
-    "@vuepress/plugin-search": "2.0.0-rc.7",
     "@vuepress/plugin-shiki": "2.0.0-rc.7",
     "@vuepress/theme-default": "2.0.0-rc.7",
     "anywhere": "^1.6.0",