removed codemirror from deps

packages/codemirror-textlint/package.json

@@ -5,7 +5,6 @@
   "license": "MIT",
   "dependencies": {
     "bunyan": "^1.8.15",
-    "codemirror": "^5.62.3",
     "universal-bunyan": "^0.9.2"
   },
   "devDependencies": {

yarn.lock

@@ -5636,11 +5636,6 @@ codemirror@^5.48.4:
   resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.48.4.tgz#4210fbe92be79a88f0eea348fab3ae78da85ce47"
   integrity sha512-pUhZXDQ6qXSpWdwlgAwHEkd4imA0kf83hINmUEzJpmG80T/XLtDDEzZo8f6PQLuRCcUQhmzqqIo3ZPTRaWByRA==
 
-codemirror@^5.62.3:
-  version "5.62.3"
-  resolved "https://registry.yarnpkg.com/codemirror/-/codemirror-5.62.3.tgz#5cfdee6931c8b2d1b39ae773aaaaec2cc6b5558e"
-  integrity sha512-zZAyOfN8TU67ngqrxhOgtkSAGV9jSpN1snbl8elPtnh9Z5A11daR405+dhLzLnuXrwX0WCShWlybxPN3QC/9Pg==
-
 collapse-white-space@^1.0.2:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/collapse-white-space/-/collapse-white-space-1.0.5.tgz#c2495b699ab1ed380d29a1091e01063e75dbbe3a"