Remove h2synth dir from CMakeLists.txt

Author: mauser

CMakeLists.txt

@@ -352,7 +352,6 @@ IF(H2CORE_HAVE_CPPUNIT)
 ENDIF()
 ADD_SUBDIRECTORY(src/cli)
 ADD_SUBDIRECTORY(src/player)
-ADD_SUBDIRECTORY(src/synth)
 ADD_SUBDIRECTORY(src/gui)
 IF (MINGW)
 	INSTALL(DIRECTORY data DESTINATION . PATTERN ".git" EXCLUDE)