Dropped more unused keys from base layer

Author: keymap-editor[bot]

config/adv360.keymap

@@ -31,7 +31,7 @@
 &kp TAB    &kp Q       &kp W        &kp E         &kp R       &kp T   &none                                                         &none      &kp Y   &kp U       &kp I         &kp O        &kp P          &kp BSLH
 &kp ESC    &hm LALT A  &hm LCTRL S  &hm LSHIFT D  &hm LGUI F  &kp G   &none          &kp LCTRL  &kp LALT      &kp GRAVE  &kp LGUI   &none      &kp H   &hm RGUI J  &hm RSHIFT K  &hm RCTRL L  &hm RALT SEMI  &kp SQT
 &kp LSHFT  &kp Z       &kp X        &kp C         &kp V       &kp B                             &none         &none                            &kp N   &kp M       &kp COMMA     &kp DOT      &kp FSLH       &kp RSHFT
-&none      &kp GRAVE   &kp CAPS     &kp LEFT      &kp RIGHT           &kp BACKSPACE  &kp DEL    &none         &none      &kp ENTER  &kp SPACE          &kp UP      &kp DOWN      &kp LBKT     &kp RBKT       &none
+&none      &none       &none        &kp LEFT      &kp RIGHT           &kp BACKSPACE  &kp DEL    &none         &none      &kp ENTER  &kp SPACE          &kp UP      &kp DOWN      &kp LBKT     &kp RBKT       &none
             >;
         };