Updates for all configs

Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration.h

 //
 // Add individual axis homing items (Home X, Home Y, and Home Z) to the LCD menu.
 //
-// INDIVIDUAL_AXIS_HOMING_MENU is incompatible with DELTA kinematics.
 //#define INDIVIDUAL_AXIS_HOMING_MENU
 
 //

Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration.h

   // and processor overload (too many expensive sqrt calls).
   #define DELTA_SEGMENTS_PER_SECOND 160
 
-  // NOTE NB all values for DELTA_* values MUST be floating point, so always have a decimal point in them
-
   // Center-to-center distance of the holes in the diagonal push rods.
   #define DELTA_DIAGONAL_ROD 218.0 // mm
 
 //
 // Add individual axis homing items (Home X, Home Y, and Home Z) to the LCD menu.
 //
-// INDIVIDUAL_AXIS_HOMING_MENU is incompatible with DELTA kinematics.
 //#define INDIVIDUAL_AXIS_HOMING_MENU
 
 //

Marlin/example_configurations/delta/generic/Configuration.h

   // and processor overload (too many expensive sqrt calls).
   #define DELTA_SEGMENTS_PER_SECOND 200
 
-  // NOTE NB all values for DELTA_* values MUST be floating point, so always have a decimal point in them
-
   // Center-to-center distance of the holes in the diagonal push rods.
   #define DELTA_DIAGONAL_ROD 250.0 // mm
 
 // Use double touch for probing
 //#define PROBE_DOUBLE_TOUCH
 
-
 /**
  * Allen key retractable z-probe as seen on many Kossel delta printers - http://reprap.org/wiki/Kossel#Automatic_bed_leveling_probe
  * Deploys by touching z-axis belt. Retracts by pushing the probe down. Uses Z_MIN_PIN.

Marlin/example_configurations/delta/kossel_mini/Configuration.h

   // and processor overload (too many expensive sqrt calls).
   #define DELTA_SEGMENTS_PER_SECOND 200
 
-  // NOTE NB all values for DELTA_* values MUST be floating point, so always have a decimal point in them
-
   // Center-to-center distance of the holes in the diagonal push rods.
   #define DELTA_DIAGONAL_ROD 215.0 // mm
 

Marlin/example_configurations/delta/kossel_pro/Configuration.h

   // and processor overload (too many expensive sqrt calls).
   #define DELTA_SEGMENTS_PER_SECOND 160
 
-  // NOTE NB all values for DELTA_* values MUST be floating point, so always have a decimal point in them
-
   // Center-to-center distance of the holes in the diagonal push rods.
   #define DELTA_DIAGONAL_ROD 301.0 // mm
 

Marlin/example_configurations/delta/kossel_xl/Configuration.h

   // and processor overload (too many expensive sqrt calls).
   #define DELTA_SEGMENTS_PER_SECOND 160
 
-  // NOTE NB all values for DELTA_* values MUST be floating point, so always have a decimal point in them
-
   // Center-to-center distance of the holes in the diagonal push rods.
   #define DELTA_DIAGONAL_ROD 317.3 + 2.5 // mm