chore: update keywords

Signed-off-by: Athan <[email protected]>

Author: kgryte

lib/node_modules/@stdlib/math/base/special/spencef/package.json

@@ -63,7 +63,6 @@
     "polylogarithm",
     "integral",
     "spence",
-    "spencef",
     "number"
   ],
   "__stdlib__": {