Rename parameter in signature and remove unused parameter from list

Author: Planeshifter

lib/node_modules/@stdlib/random/shuffle/docs/repl.txt

@@ -1,5 +1,5 @@
 
-{{alias}}( x[, options] )
+{{alias}}( arr[, options] )
     Shuffles elements of an array-like object.
 
     Parameters
@@ -34,9 +34,6 @@
 
     Parameters
     ----------
-    arr: ArrayLike
-        Array-like object to shuffle.
-
     options: Object (optional)
         Options.