docs: fix duplication declaration

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---

Author: kgryte

lib/node_modules/@stdlib/stats/strided/wasm/dmeanors/docs/repl.txt

@@ -81,7 +81,7 @@
     ~0.3333
 
     // Using offset parameter:
-    > var x = new {{alias:@stdlib/array/float64}}( [ 1.0, -2.0, 3.0, 2.0, 5.0, -1.0 ] );
+    > x = new {{alias:@stdlib/array/float64}}( [ 1.0, -2.0, 3.0, 2.0, 5.0, -1.0 ] );
     > {{alias}}.ndarray( 3, x, 2, 1 )
     ~-0.3333