comment generic vid/pid (#1279)

This is causing false-positive matches on any Switch pad, as reported here: https://www.reddit.com/r/RetroArch/comments/1nwzh99/comment/nr9z60y/

Commenting the vid/pid should still allow matching on name.

Author: hunterk

dinput/MD_Gen_Fighting_Pad_6B_Switch_Online.cfg

@@ -2,8 +2,8 @@ input_driver = "dinput"
 input_device = "Wireless Gamepad"
 input_device_display_name = "Switch Megadrive Fighting Pad 6B"
 
-input_vendor_id = "1406"
-input_product_id = "8215"
+#input_vendor_id = "1406"
+#input_product_id = "8215"
 
 input_b_btn = "0"
 input_y_btn = "1"
@@ -31,4 +31,4 @@ input_a_btn_label = "C"
 input_x_btn_label = "Y"
 input_l_btn_label = "X"
 input_r_btn_label = "Z"
-input_menu_toggle_btn_label = "Home"
+input_menu_toggle_btn_label = "Home"