docs: remove obsolete comment

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---

Author: kgryte

lib/node_modules/@stdlib/blas/ext/find-index/lib/main.js

@@ -149,7 +149,6 @@ function findIndex( x ) {
 			opts.dtype = options.dtype;
 		}
 	}
-	// Resolve the list of non-reduced dimensions:
 	if ( ndims( x ) < 1 ) {
 		throw new RangeError( 'invalid argument. First argument must have at least one dimension.' );
 	}