Remove "the click" comments

Marlin/pins_PRINTRBOARD.h

@@ -132,7 +132,7 @@
   //The encoder and click button (FastIO Pins)
   #define BTN_EN1 26
   #define BTN_EN2 27
-  #define BTN_ENC 47  //the click switch
+  #define BTN_ENC 47
 
   #define SDSS 45
   #define SD_DETECT_PIN -1 // FastIO (Manual says 72 I'm not certain cause I can't test)