test: remove invalid test case

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

Author: kgryte

lib/node_modules/@stdlib/blas/ext/find-last-index/docs/types/test.ts

@@ -192,7 +192,6 @@ function clbk( value: any ): boolean {
 	findLastIndex( x, { 'dim': ( x: number ): number => x }, clbk ); // $ExpectError
 
 	findLastIndex( x, { 'dim': '5' }, clbk, {} ); // $ExpectError
-	findLastIndex( x, { 'dim': 5 }, clbk, {} ); // $ExpectError
 	findLastIndex( x, { 'dim': true }, clbk, {} ); // $ExpectError
 	findLastIndex( x, { 'dim': false }, clbk, {} ); // $ExpectError
 	findLastIndex( x, { 'dim': null }, clbk, {} ); // $ExpectError