Remove slp and joystick plugins

modules/access/Modules.am

@@ -7,7 +7,6 @@ SOURCES_access_ftp = ftp.c
 SOURCES_access_smb = smb.c
 SOURCES_dvdnav = dvdnav.c
 SOURCES_dvdread = dvdread.c
-SOURCES_slp = slp.c
 SOURCES_access_fake = fake.c
 SOURCES_cdda = \
         cdda.c \

modules/control/Modules.am

@@ -4,7 +4,6 @@ SOURCES_http = http.c
 SOURCES_telnet = telnet.c
 SOURCES_netsync = netsync.c
 SOURCES_ntservice = ntservice.c
-SOURCES_joystick = joystick.c
 SOURCES_hotkeys = hotkeys.c
 SOURCES_lirc = lirc.c
 SOURCES_rc = rc.c