docs: fix description

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

Author: kgryte

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

@@ -125,7 +125,7 @@
       ],
       "output_policy": "real_floating_point_and_generic",
       "returns": {
-        "desc": "cosine (degrees)",
+        "desc": "cosine",
         "type": {
           "javascript": "number",
           "jsdoc": "number",