remove duplicate PICO_CONFIG

Author: kilograham

src/rp2_common/hardware_clocks/include/hardware/clocks.h

@@ -216,7 +216,6 @@ extern "C" {
 #define SYS_CLK_VREG_VOLTAGE_MIN VREG_VOLTAGE_1_15
 #endif
 // PLL settings for fast 200 MHz system clock on RP2040
-// PICO_CONFIG: PLL_SYS_VCO_FREQ_HZ, System clock PLL frequency, type=int, default=(1500 * MHZ), advanced=true, group=hardware_clocks
 #ifndef PLL_SYS_VCO_FREQ_HZ
 #define PLL_SYS_VCO_FREQ_HZ                (1200 * MHZ)
 #endif