platform/x86: asus-wmi: Remove quirk_no_rfkill

With the detection introduced in the previous patches, we don't need
these static DMI-based quirks anymore.

This reverts the following commits:
56a37a72 "asus-wmi: Add quirk_no_rfkill_wapf4 for the Asus X456UA"
a961a285 "asus-wmi: Add quirk_no_rfkill_wapf4 for the Asus X456UF"
6b7ff2af "asus-wmi: Add quirk_no_rfkill for the Asus Z550MA"
02db9ff7 "asus-wmi: Add quirk_no_rfkill for the Asus U303LB"
2d735244 "asus-wmi: Add quirk_no_rfkill for the Asus N552VW"
a977e59c

 "asus-wmi: Create quirk for airplane_mode LED"

Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[dvhart: minor commit message corrections]
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>