AP_NavEKF3: stop using QUAT_* defines from AP_Logger/LogStructure.h

The EKFs logging is independant so we can kill EKF2...

Also use correct structure for logging XKF1; these structures were
identical.

libraries/AP_NavEKF3/AP_NavEKF3_Logging.cpp

@@ -25,7 +25,7 @@ void NavEKF3_core::Log_Write_XKF1(uint64_t time_us) const
     if (!getOriginLLH(originLLH)) {
         originLLH.alt = 0;
     }
-    const struct log_EKF1 pkt{
+    const struct log_XKF1 pkt{
         LOG_PACKET_HEADER_INIT(LOG_XKF1_MSG),
         time_us : time_us,
         core    : DAL_CORE(core_index),

libraries/AP_NavEKF3/LogStructure.h

@@ -498,7 +498,7 @@ struct PACKED log_XKY1 {
       "XKFM", "QBBffff", "TimeUS,C,OGNM,GLR,ALR,GDR,ADR", "s------", "F------"}, \
     { LOG_XKFS_MSG, sizeof(log_XKFS), \
       "XKFS","QBBBBB","TimeUS,C,MI,BI,GI,AI", "s#----", "F-----" }, \
-    { LOG_XKQ_MSG, sizeof(log_XKQ), "XKQ", QUAT_FMT, QUAT_LABELS, QUAT_UNITS, QUAT_MULTS }, \
+    { LOG_XKQ_MSG, sizeof(log_XKQ), "XKQ", "QBffff", "TimeUS,C,Q1,Q2,Q3,Q4", "s#????", "F-????" }, \
     { LOG_XKT_MSG, sizeof(log_XKT),   \
       "XKT", "QBIffffffff", "TimeUS,C,Cnt,IMUMin,IMUMax,EKFMin,EKFMax,AngMin,AngMax,VMin,VMax", "s#sssssssss", "F-000000000"}, \
     { LOG_XKTV_MSG, sizeof(log_XKTV),                         \