Fix Anycubic Kossel config

Marlin/src/config/examples/delta/Anycubic/Kossel/Configuration.h

  * Choose your version:
  */
 // normal size or plus?
-//#define ANCYUBIC_KOSSEL_PLUS
+//#define ANYCUBIC_KOSSEL_PLUS
 // Anycubic Probe version 1 or 2 see README.md; 0 for no probe
 #define ANYCUBIC_PROBE_VERSION 0
 // Heated Bed:
     #define PROBE_MANUALLY_STEP 0.05 // mm
   #endif
 
-  #if ENABLED(ANCYUBIC_KOSSEL_PLUS)
+  #if ENABLED(ANYCUBIC_KOSSEL_PLUS)
     // Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).
     #define DELTA_PRINTABLE_RADIUS 116.0 // mm
     // Center-to-center distance of the holes in the diagonal push rods.