Revert "util: use blue on non-windows systems for number/bigint"

This reverts commit 1708af3.

Numbers are much more difficult to read in blue and it would be good
to have a consistent output throughout all OS.

PR-URL: #19256
Refs: #18925
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>

lib/util.js

@@ -347,11 +347,10 @@ inspect.colors = Object.assign(Object.create(null), {
 });
 
 // Don't use 'blue' not visible on cmd.exe
-const windows = process.platform === 'win32';
 inspect.styles = Object.assign(Object.create(null), {
   'special': 'cyan',
-  'number': windows ? 'yellow' : 'blue',
-  'bigint': windows ? 'yellow' : 'blue',
+  'number': 'yellow',
+  'bigint': 'yellow',
   'boolean': 'yellow',
   'undefined': 'grey',
   'null': 'bold',

test/parallel/test-stream-buffer-list.js

@@ -34,8 +34,7 @@ assert.deepStrictEqual(list, new BufferList());
 
 const tmp = util.inspect.defaultOptions.colors;
 util.inspect.defaultOptions = { colors: true };
-const color = util.inspect.colors[util.inspect.styles.number];
 assert.strictEqual(
   util.inspect(list),
-  `BufferList { length: \u001b[${color[0]}m0\u001b[${color[1]}m }`);
+  'BufferList { length: \u001b[33m0\u001b[39m }');
 util.inspect.defaultOptions = { colors: tmp };