remove SWIGMAC and SWIGWIN32/SWIGWIN macros which have no effect

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@11739 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Doc/Manual/Preprocessor.html

@@ -102,8 +102,6 @@ by SWIG when it is parsing the interface:
 <div class="code"><pre>
 SWIG                            Always defined when SWIG is processing a file
 SWIGIMPORTED                    Defined when SWIG is importing a file with <tt>%import</tt>
-SWIGMAC                         Defined when running SWIG on the Macintosh
-SWIGWIN                         Defined when running SWIG under Windows
 SWIG_VERSION                    Hexadecimal number containing SWIG version,
                                 such as 0x010311 (corresponding to SWIG-1.3.11).
 

Source/Modules/main.cxx

@@ -844,12 +844,6 @@ int SWIG_main(int argc, char *argv[], Language *l) {
 
   Preprocessor_define((DOH *) "SWIG 1", 0);
   Preprocessor_define((DOH *) "__STDC__", 0);
-#ifdef MACSWIG
-  Preprocessor_define((DOH *) "SWIGMAC 1", 0);
-#endif
-#ifdef SWIGWIN32
-  Preprocessor_define((DOH *) "SWIGWIN32 1", 0);
-#endif
 
   // Set the SWIG version value in format 0xAABBCC from package version expected to be in format A.B.C
   String *package_version = NewString(PACKAGE_VERSION); /* Note that the fakeversion has not been set at this point */