Some minor refactoring of boards in 1upkeyboards directory (#5236)

* use #pragma once

* get rid of code for unused indicators

* pragma once and other small fixes for consistency

* use #pragma once

* pragma once and other small fixes for consistency

* add a short blurb to the readme

* turn on compiler optimization flags

* remove the compiler optimization

* remove compiler optimization for super16

keyboards/1upkeyboards/1up60hse/1up60hse.h

@@ -13,8 +13,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-#ifndef KB_H
-#define KB_H
+#pragma once
 
 #include "quantum.h"
 
@@ -36,4 +35,3 @@
 	{ K30,  K31,  K32,  K33,   K34,   K35, K36,   K37,   K38,   K39, K3A, KC_NO, KC_NO, K3D }, \
 	{ K40,  K41,  K42,  KC_NO, KC_NO, K45, KC_NO, KC_NO, KC_NO, K49, K4A, K4B,   KC_NO, K4D }  \
 }
-#endif

keyboards/1upkeyboards/1up60hse/rules.mk

@@ -68,5 +68,6 @@ BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 AUDIO_ENABLE = no           # Audio output on port C6
 FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches
 HD44780_ENABLE = no 		# Enable support for HD44780 based LCDs (+400)
+EXTRAFLAGS += -flto
 
 LAYOUTS = 60_ansi