chore: update package meta data

PR-URL: 	#1377
Co-authored-by: Athan Reines <kgryte@gmail.com>
Reviewed-by: Athan Reines <kgryte@gmail.com> 
Signed-off-by: stdlib-bot <82920195+stdlib-bot@users.noreply.github.com>

Author: stdlib-bot

lib/node_modules/@stdlib/random/base/package.json

@@ -15,7 +15,6 @@
   ],
   "main": "./lib",
   "directories": {
-    "benchmark": "./benchmark",
     "doc": "./docs",
     "example": "./examples",
     "lib": "./lib",