Follow-up the PR #5087 (Fixed SERVO pins on Azteeg X3), etc

・Add header
・Adjust spacing

Marlin/pins_AZTEEG_X3.h

@@ -32,6 +32,9 @@
 
 #include "pins_RAMPS_13.h"
 
+//
+// Servos
+//
 #undef SERVO0_PIN
 #undef SERVO1_PIN
 #define SERVO0_PIN  44  // SERVO1 port

Marlin/pins_RAMPS.h

@@ -344,14 +344,14 @@
       #else
         #define BTN_EN1 37
         #define BTN_EN2 35
-        #define BTN_ENC 31  // the click
+        #define BTN_ENC 31 // the click
       #endif
 
       #if ENABLED(G3D_PANEL)
         #define SD_DETECT_PIN 49
         #define KILL_PIN 41
       #else
-        //        #define SD_DETECT_PIN -1  // Ramps doesn't use this
+        //#define SD_DETECT_PIN -1 // Ramps doesn't use this
       #endif
 
     #endif