Revert "Updated CHANGELOGS"

This reverts commit b456c3f953.

contracts/extensions/CHANGELOG.json

@@ -1,13 +1,4 @@
 [
-    {
-        "timestamp": 1565288549,
-        "version": "4.0.5",
-        "changes": [
-            {
-                "note": "Dependencies updated"
-            }
-        ]
-    },
     {
         "version": "4.0.4",
         "changes": [

contracts/extensions/CHANGELOG.md

@@ -5,10 +5,6 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
-## v4.0.5 - _August 8, 2019_
-
-    * Dependencies updated
-
 ## v4.0.4 - _July 31, 2019_
 
     * Updated calls to <contract wrapper>.deployFrom0xArtifactAsync to include artifact dependencies. (#1995)

contracts/extensions/package.json

@@ -48,7 +48,7 @@
     "homepage": "https://github.com/0xProject/0x-monorepo/contracts/extensions/README.md",
     "devDependencies": {
         "@0x/abi-gen": "^3.1.2",
-        "@0x/contract-wrappers": "9.1.7",
+        "@0x/contract-wrappers": "10.1.0",
         "@0x/contracts-gen": "^1.0.12",
         "@0x/contracts-test-utils": "^3.1.12",
         "@0x/dev-utils": "^2.2.6",