Remove duplicate declaration

Author: nseidle

Firmware/RTK_Everywhere/GNSS_LG290P.h

@@ -93,8 +93,6 @@ class GNSS_LG290P : GNSS
 
     uint8_t getActiveNmeaMessageCount();
 
-    uint8_t getActiveRtcmMessageCount();
-
     // Given the name of an NMEA message, return the array number
     uint8_t getNmeaMessageNumberByName(const char *msgName);