[Minor] remove unused examplesdir

CMakeLists.txt

 # Configs
 INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${CONFDIR})")
 INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${SHAREDIR})")
-INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${EXAMPLESDIR})")
 INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${LUALIBDIR})")
 INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${PLUGINSDIR})")
 INSTALL(CODE "FILE(MAKE_DIRECTORY \$ENV{DESTDIR}${RULESDIR})")
 			ANALYZE ${PROJECT_NAME} rspamd-server rspamadm rspamc
 			OUTPUT FORMAT errorfile
 			LOG target_${PROJECT_NAME}.err)
-endif()
+endif()

cmake/Paths.cmake

 # RUNDIR - for runtime files
 # DBDIR - for static files
 # LOGDIR - for log files
-# EXAMPLESDIR - for examples files
 
 IF(NOT CONFDIR)
     SET(CONFDIR "${CMAKE_INSTALL_PREFIX}/etc/rspamd")
     SET(SHAREDIR "${CMAKE_INSTALL_PREFIX}/share/rspamd")
 ENDIF(NOT SHAREDIR)
 
-IF(NOT EXAMPLESDIR)
-    SET(EXAMPLESDIR "${CMAKE_INSTALL_PREFIX}/share/examples/rspamd")
-ENDIF(NOT EXAMPLESDIR)
-
 IF(NOT LUALIBDIR)
     SET(LUALIBDIR "${SHAREDIR}/lualib")
 ENDIF(NOT LUALIBDIR)

config.h.in

 #define RSPAMD_RUNDIR "${RUNDIR}"
 #define RSPAMD_LOGDIR "${LOGDIR}"
 #define RSPAMD_DBDIR "${DBDIR}"
-#define RSPAMD_EXAMPLESDIR "${EXAMPLESDIR}"
 #define RSPAMD_PLUGINSDIR "${PLUGINSDIR}"
 #define RSPAMD_LUALIBDIR "${LUALIBDIR}"
 #define RSPAMD_RULESDIR "${RULESDIR}"