Little update

Author: Amansingh0807

lib/node_modules/@stdlib/constants/float16/sqrt-half/package.json

@@ -47,7 +47,7 @@
     "win32",
     "windows"
   ],
-  "keywords": [
+"keywords": [
     "stdlib",
     "stdmath",
     "constant",
@@ -66,7 +66,6 @@
     "sqrt",
     "square",
     "root",
-    "1/2",
     "one-half"
   ]
 }