chore: update keywords

Signed-off-by: Athan <kgryte@gmail.com>

Author: kgryte

lib/node_modules/@stdlib/ndarray/base/to-flippedud/package.json

@@ -62,7 +62,6 @@
     "view",
     "reverse",
     "flipud",
-    "to-flippedud",
     "flip",
     "updown",
     "rows",