Remove need to undef epicsExportSharedSymbols

This approach works OK, but makes it much harder to find files
that have mistakes in them since they can cause other functions
to get the wrong import/export setting.

src/utils/pv/inetAddressUtil.h

@@ -9,23 +9,12 @@
 
 #include <vector>
 
-#ifdef epicsExportSharedSymbols
-#   define inetAddressUtilExportSharedSymbols
-#   undef epicsExportSharedSymbols
-#endif
+#include <osiSock.h>
+#include <shareLib.h>
 
 #include <pv/pvType.h>
 #include <pv/byteBuffer.h>
 
-#include <osiSock.h>
-
-#ifdef inetAddressUtilExportSharedSymbols
-#   define epicsExportSharedSymbols
-#   undef inetAddressUtilExportSharedSymbols
-#endif
-
-#include <shareLib.h>
-
 
 // TODO implement using smart pointers
 

src/utils/pv/logger.h

@@ -7,18 +7,7 @@
 #ifndef LOGGER_H_
 #define LOGGER_H_
 
-#ifdef epicsExportSharedSymbols
-#   define loggerEpicsExportSharedSymbols
-#   undef epicsExportSharedSymbols
-#endif
-
-#include <pv/pvType.h>
-#include <errlog.h>
-
-#ifdef loggerEpicsExportSharedSymbols
-#   define epicsExportSharedSymbols
-#undef loggerEpicsExportSharedSymbols
-#endif
+#include <string>
 
 #include <shareLib.h>