bench: avoid unneeded else clause

Signed-off-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: Planeshifter

lib/node_modules/@stdlib/math/base/special/fast/atanhf/benchmark/benchmark.js

@@ -48,8 +48,7 @@ bench( pkg, function benchmark( b ) {
 	b.toc();
 	if ( isnanf( y ) ) {
 		b.fail( 'should not return NaN' );
-	} else {
-		b.pass( 'benchmark finished' );
 	}
+	b.pass( 'benchmark finished' );
 	b.end();
 });

lib/node_modules/@stdlib/math/base/special/fast/atanhf/benchmark/benchmark.native.js

@@ -58,8 +58,7 @@ bench( format('%s::native', pkg ), opts, function benchmark( b ) {
 	b.toc();
 	if ( isnanf( y ) ) {
 		b.fail( 'should not return NaN' );
-	} else {
-		b.pass( 'benchmark finished' );
 	}
+	b.pass( 'benchmark finished' );
 	b.end();
 });