java_interfaces: Moved ifdefs for swig version

Moved the SWIG version check from each sensor library .i file to
the base SWIG .i file (per interface).  This cleans up the number
of #if SWIG_VERSION's across the code base, and will make cleanup
of these easier at a later date.

Signed-off-by: Noel Eck <noel.eck@intel.com>

src/ms5611/javaupm_ms5611.i

@@ -1,10 +1,8 @@
 %module javaupm_ms5611
 %include "../upm.i"
 
-#if SWIG_VERSION >= 0x030009
 %include "../interfaces/javaupm_iTemperatureSensor.i"
 %include "../interfaces/javaupm_iPressureSensor.i"
-#endif
 
 %{
     #include "ms5611.hpp"