Remove local echarts dependency

- Update package.json and yarn.lock

package.json

@@ -76,7 +76,6 @@
     "diff": "^3.4.0",
     "document-register-element": "1.13.1",
     "dropzone": "^4.2.0",
-    "echarts": "^4.2.0-rc.2",
     "emoji-regex": "^7.0.3",
     "emoji-unicode-version": "^0.2.1",
     "exports-loader": "^0.7.0",

yarn.lock

@@ -4310,11 +4310,11 @@ ecc-jsbn@~0.1.1:
     safer-buffer "^2.1.0"
 
 echarts@^4.2.0-rc.2:
-  version "4.2.0-rc.2"
-  resolved "https://registry.yarnpkg.com/echarts/-/echarts-4.2.0-rc.2.tgz#6a98397aafa81b65cbf0bc15d9afdbfb244df91e"
-  integrity sha512-5Y4Kyi4eNsRM9Cnl7Q8C6PFVjznBJv1VIiMm/VSQ9zyqeo+ce1695GqUd9v4zfVx+Ow1gnwMJX67h0FNvarScw==
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/echarts/-/echarts-4.2.1.tgz#9a8ea3b03354f86f824d97625c334cf16965ef03"
+  integrity sha512-pw4xScRPsLegD/cqEcoXRKeA2SD4+s+Kyo0Na166NamOWhzNl2yI5RZ2rE97tBlAopNmhyMeBVpAeD5qb+ee1A==
   dependencies:
-    zrender "4.0.5"
+    zrender "4.0.7"
 
 editions@^1.3.3:
   version "1.3.4"
@@ -13217,7 +13217,7 @@ zen-observable@^0.8.0:
   resolved "https://registry.yarnpkg.com/zen-observable/-/zen-observable-0.8.11.tgz#d3415885eeeb42ee5abb9821c95bb518fcd6d199"
   integrity sha512-N3xXQVr4L61rZvGMpWe8XoCGX8vhU35dPyQ4fm5CY/KDlG0F75un14hjbckPXTDuKUY6V0dqR2giT6xN8Y4GEQ==
 
-zrender@4.0.5:
-  version "4.0.5"
-  resolved "https://registry.yarnpkg.com/zrender/-/zrender-4.0.5.tgz#6e8f738971ce2cd624aac82b2156729b1c0e5a82"
-  integrity sha512-SintgipGEJPT9Sz2ABRoE4ZD7Yzy7oR7j7KP6H+C9FlbHWnLUfGVK7E8UV27pGwlxAMB0EsnrqhXx5XjAfv/KA==
+zrender@4.0.7:
+  version "4.0.7"
+  resolved "https://registry.yarnpkg.com/zrender/-/zrender-4.0.7.tgz#15ae960822f5efed410995d37e5107fe3de10e6d"
+  integrity sha512-TNloHe0ums6zxbHfnaCryM61J4IWDajZwNq6dHk9vfWhhysO/OeFvvR0drBs/nbXha2YxSzfQj2FiCd6RVBe+Q==