Revert "add Picohal plugin init"

Author: engigeer

plugins_init.h

@@ -228,11 +228,6 @@
     event_out_init();
 #endif
 
-#if PICOHAL_ENABLE
-    extern void picohal_init (void);
-    picohal_init();
-#endif
-
 // End third party plugin definitions.
 
 #if ODOMETER_ENABLE

spindle_control.h

@@ -47,7 +47,6 @@
 #define SPINDLE_SOLENOID   18
 #define SPINDLE_STEPPER    19
 #define SPINDLE_NOWFOREVER 20
-#define SPINDLE_PICOHAL    21
 #define SPINDLE_MY_SPINDLE 30
 
 #define SPINDLE_ALL_VFD ((1<<SPINDLE_HUANYANG1)|(1<<SPINDLE_HUANYANG2)|(1<<SPINDLE_GS20)|(1<<SPINDLE_YL620A)|(1<<SPINDLE_MODVFD)|(1<<SPINDLE_H100)|(1<<SPINDLE_NOWFOREVER))