Clean up whitespace, headings

Marlin/src/HAL/LINUX/main.cpp

 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * This program is free software: you can redistribute it and/or modify

Marlin/src/HAL/STM32F1/eeprom_wired.cpp

 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * This program is free software: you can redistribute it and/or modify

Marlin/src/lcd/extui/lib/mks_ui/mks_hardware_test.cpp

         && (READ(PE6) == 0)
         && (READ(PE7) == 0)
       #endif
-    ) 
+    )
       disp_det_ok();
     else
       disp_det_error();

Marlin/src/lcd/language/language_uk.h

   PROGMEM Language_Str MSG_UBL_MESH_HEIGHT_AMOUNT          = _UxGT("Висота");
   PROGMEM Language_Str MSG_UBL_VALIDATE_MESH_MENU          = _UxGT("Підтвердити сітку");
   PROGMEM Language_Str MSG_UBL_VALIDATE_CUSTOM_MESH        = _UxGT("Підтвердити свою");
-  
+
   PROGMEM Language_Str MSG_G26_HEATING_BED                 = _UxGT("G26 нагрів столу");
   PROGMEM Language_Str MSG_G26_HEATING_NOZZLE              = _UxGT("G26 нагрів сопла");
   PROGMEM Language_Str MSG_G26_MANUAL_PRIME                = _UxGT("Ручне грунтування");
   PROGMEM Language_Str MSG_CYCLE_MIX                       = _UxGT("Циклічне змішування");
   PROGMEM Language_Str MSG_GRADIENT_MIX                    = _UxGT("Градієнт змішування");
   PROGMEM Language_Str MSG_REVERSE_GRADIENT                = _UxGT("Змінити градієнт");
-  
+
   #if LCD_WIDTH > 21
     PROGMEM Language_Str MSG_ACTIVE_VTOOL                  = _UxGT("Активація В-інструменту");
     PROGMEM Language_Str MSG_GRADIENT_ALIAS                = _UxGT("Псевдонім В-інструменту");
   PROGMEM Language_Str MSG_END_VTOOL                       = _UxGT("Кінець В-інструменту");
   PROGMEM Language_Str MSG_COMMIT_VTOOL                    = _UxGT("Змішати В-інструменти");
   PROGMEM Language_Str MSG_VTOOLS_RESET                    = _UxGT("В-інструменти зкинуті");
-  
+
   PROGMEM Language_Str MSG_START_Z                         = _UxGT("Початок Z:");
   PROGMEM Language_Str MSG_END_Z                           = _UxGT(" Кінець Z:");
 

Marlin/src/libs/BL24CXX.cpp

 /**
  * Marlin 3D Printer Firmware
- *
  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * This program is free software: you can redistribute it and/or modify

Marlin/src/pins/stm32f4/pins_ANET_ET4.h

  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 

Marlin/src/pins/stm32f4/pins_ANET_ET4P.h

  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 

Marlin/src/pins/stm32f4/pins_MKS_ROBIN_NANO_V3.h

  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
 #pragma once