doc: remove deprecated pattern in child_process.md

Co-authored-by: = <[email protected]>
PR-URL: #57568
Refs: #57389
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Yagiz Nizipli <[email protected]>

Author: aduh95

doc/api/child_process.md

@@ -138,7 +138,7 @@ exec('my.bat', (err, stdout, stderr) => {
 });
 
 // Script with spaces in the filename:
-const bat = spawn('"my script.cmd"', ['a', 'b'], { shell: true });
+const bat = spawn('"my script.cmd" a b', { shell: true });
 // or:
 exec('"my script.cmd" a b', (err, stdout, stderr) => {
   // ...
@@ -158,7 +158,7 @@ exec('my.bat', (err, stdout, stderr) => {
 });
 
 // Script with spaces in the filename:
-const bat = spawn('"my script.cmd"', ['a', 'b'], { shell: true });
+const bat = spawn('"my script.cmd" a b', { shell: true });
 // or:
 exec('"my script.cmd" a b', (err, stdout, stderr) => {
   // ...