🩹 Remove extra #include, misc. style

Marlin/src/lcd/marlinui.cpp

@@ -1490,9 +1490,7 @@ constexpr uint8_t epps = ENCODER_PULSES_PER_STEP;
         next_filament_display = ms + 5000UL; // Show status message for 5s
       #endif
 
-      #if ENABLED(STATUS_MESSAGE_SCROLLING)
-        status_scroll_offset = 0;
-      #endif
+      TERN_(STATUS_MESSAGE_SCROLLING, status_scroll_offset = 0);
     #else // HAS_WIRED_LCD
       UNUSED(persist);
     #endif

Marlin/src/pins/stm32f4/pins_ANET_ET4.h

@@ -23,8 +23,6 @@
 
 #include "env_validate.h"
 
-#include "env_validate.h"
-
 #if HOTENDS > 1 || E_STEPPERS > 1
   #error "Anet ET4 only supports one hotend / E-stepper. Comment out this line to continue."
 #endif