Remove color command from flutter_console.bat (#23880)

flutter_console.bat

diff --git a/flutter_console.bat b/flutter_console.bat
index 24d89ae..dd790a7 100644
--- a/flutter_console.bat
+++ b/flutter_console.bat
@@ -4,7 +4,6 @@
 REM found in the LICENSE file.
 
 TITLE Flutter Console
-COLOR 3f
 
 echo.
 echo          ######## ##       ##     ## ######## ######## ######## ########