build: Remove unused 'deepmerge' package

Was added for wdio-related code, but not used in the end.
The only reference to this module anywhere in Wikimedia Git is
mediawiki/extensions/CirrusSearch, which doesn't use it for
its regular or daily tests, but rather the integration test,
which already has its own copy of this module in package.json.

Change-Id: Ifdf4362077f4684a2866363e35d0aca2f89f48b5

diff --git a/package.json b/package.json
index 3b8ea58..c0570cf 100644 (file)
--- a/package.json
+++ b/package.json
@@ -10,7 +10,6 @@
     "selenium-test": "wdio ./tests/selenium/wdio.conf.js"
   },
   "devDependencies": {
-    "deepmerge": "1.3.2",
     "eslint-config-wikimedia": "0.10.0",
     "grunt": "1.0.3",
     "grunt-banana-checker": "0.6.0",