docs: avoid redeclaring variable

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

Author: kgryte

lib/node_modules/@stdlib/blas/base/wasm/scnrm2/docs/repl.txt

@@ -80,7 +80,7 @@
     ~3.16
 
     // Using offset parameter:
-    > var x = new {{alias:@stdlib/array/complex64}}( [ 3.0, 2.0, 3.0, 0.0 ] );
+    > x = new {{alias:@stdlib/array/complex64}}( [ 3.0, 2.0, 3.0, 0.0 ] );
     > out = {{alias}}.ndarray( 1, x, 1, 1 )
     3.0