Style, spacing, typo cleanup for recent changes

Marlin/src/pins/stm32f4/pins_MKS_ROBIN_PRO_V2.h

@@ -16,7 +16,7 @@
  * 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