[Keyboard] Remove unnecessary IS_COMMAND definitions from a couple of boards (#5269)

* Remove unnecessary IS_COMMAND definition from clueboard/66_hotswap/gen1

* Remove old-style IS_COMMAND definition comment from dozen0

* Use get_mods() instead of keyboard_report->mods in georgi

keyboards/clueboard/66_hotswap/gen1/config.h

@@ -80,11 +80,6 @@
  */
 //#define FORCE_NKRO
 
-/* key combination for magic key command */
-#define IS_COMMAND() ( \
-	keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
-)
-
 /*
  * Feature disable options
  *  These options are also useful to firmware size reduction.

keyboards/dozen0/config.h

@@ -112,11 +112,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
  *
  */
 
-/* key combination for magic key command */
-/*#define IS_COMMAND() ( \
-    keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
-)*/
-
 /* control how magic key switches layers */
 //#define MAGIC_KEY_SWITCH_LAYER_WITH_FKEYS  true
 //#define MAGIC_KEY_SWITCH_LAYER_WITH_NKEYS  true

keyboards/georgi/config.h

@@ -66,8 +66,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 /* key combination for command */
 #define IS_COMMAND() ( \
-    keyboard_report->mods == (MOD_BIT(KC_LCTL) | MOD_BIT(KC_RCTL)) || \
-    keyboard_report->mods == (MOD_BIT(KC_LSFT) | MOD_BIT(KC_RSFT)) \
+    get_mods() == (MOD_BIT(KC_LCTL) | MOD_BIT(KC_RCTL)) || \
+    get_mods() == (MOD_BIT(KC_LSFT) | MOD_BIT(KC_RSFT)) \
 )
 
 #define DEBOUNCE    5