Garbage removing.

defines.h

@@ -63,8 +63,6 @@
 #define RAM __not_in_flash_func         /* Place time-critical func in RAM */
 #define RAM_A __not_in_flash("A")        /* Place time-critical var in RAM */
 
-#define TWO_PI  (1<<24)
-
      /* A macro for arithmetic right shifts, with casting of the argument. */
 #define iSAR(arg, rcount) (((int32_t)(arg)) >> (rcount))
 

hwdefs.h

@@ -59,11 +59,4 @@
 #define GPIO(x) (x)                        /* pico GPIO number to address. */
 #define PLL_SYS_MHZ 270                                   /* system clock. */
 
-/****************************************************************************
-* Timer defs.
-****************************************************************************/
-#define TIMER_ALARM_NUM                 0
-#define TIMER_ALARM_IRQ                 TIMER_IRQ_0
-#define TIMER_HARDWARE_CLOCK_FREQ_HZ    1000000L
-
 #endif