Remove stale patch for SDK v1.1 and earlier

rts_reg address referenced was not valid for SDK v2.0.0 and up. rts_reg[30] = 0; cleared storaged used to set TestStaFreqCalValInput.
esp8266 · mcspr · Feb 22, 2023 · Feb 15, 2023 · Feb 22, 2023 · Feb 15, 2023
commit f86f8ab99436656c64661249aaec7e21b20a7d49
diff --git a/cores/esp8266/core_esp8266_phy.cpp b/cores/esp8266/core_esp8266_phy.cpp
@@ -360,10 +360,7 @@ void user_rf_pre_init()
 {
     // *((volatile uint32_t*) 0x60000710) = 0;
     spoof_init_data = false;
-    volatile uint32_t* rtc_reg = (volatile uint32_t*) 0x60001000;
-    rtc_reg[30] = 0;
 
-    system_set_os_print(0);
     int rf_mode = __get_rf_mode();
     if (rf_mode >= 0) {
         system_phy_set_rfoption(rf_mode);