Revert boosted gain flag to original

Author: Socalix

variants/heltec_v4/platformio.ini

@@ -31,7 +31,7 @@ build_flags =
   -D SX126X_DIO2_AS_RF_SWITCH=true ; GC1109 CTX is controlled by SX1262 DIO2
   -D SX126X_DIO3_TCXO_VOLTAGE=1.8
   -D SX126X_CURRENT_LIMIT=140
-;  -D SX126X_RX_BOOSTED_GAIN=1      ; Turned off for improved RX
+  -D SX126X_RX_BOOSTED_GAIN=1      ; In some cases, commenting this out will improve RX
   -D PIN_GPS_RX=38
   -D PIN_GPS_TX=39
   -D PIN_GPS_RESET=42