Remove websocket@1.0.25 entry from yarn.lock so yarn installs websocket@^1.0.26.

Update order-watcher's websocket dependency from ^1.0.25 (broken on some node architectures) to ^1.0.26.

packages/order-watcher/CHANGELOG.json

@@ -1,4 +1,12 @@
 [
+    {
+        "version": "4.0.4",
+        "changes": [
+            {
+                "note": "Update websocket from ^1.0.25 to ^1.0.26"
+            }
+        ]
+    },
     {
         "timestamp": 1551479279,
         "version": "4.0.3",

packages/order-watcher/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@0x/order-watcher",
-    "version": "4.0.3",
+    "version": "4.0.4",
     "description": "An order watcher daemon that watches for order validity",
     "keywords": [
         "0x",
@@ -81,7 +81,7 @@
         "ethereumjs-blockstream": "6.0.0",
         "ethers": "~4.0.4",
         "lodash": "^4.17.11",
-        "websocket": "^1.0.25"
+        "websocket": "^1.0.26"
     },
     "publishConfig": {
         "access": "public"

yarn.lock

@@ -17619,15 +17619,6 @@ websocket@1.0.26:
     typedarray-to-buffer "^3.1.2"
     yaeti "^0.0.6"
 
-websocket@^1.0.25:
-  version "1.0.25"
-  resolved "https://registry.yarnpkg.com/websocket/-/websocket-1.0.25.tgz#998ec790f0a3eacb8b08b50a4350026692a11958"
-  dependencies:
-    debug "^2.2.0"
-    nan "^2.3.3"
-    typedarray-to-buffer "^3.1.2"
-    yaeti "^0.0.6"
-
 "websocket@git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible":
   version "1.0.26"
   resolved "git://github.com/frozeman/WebSocket-Node.git#6c72925e3f8aaaea8dc8450f97627e85263999f2"