Remove scons-related files

Externals/SDL/SConscript

@@ -1,45 +0,0 @@
-# -*- python -*-
-
-Import('env')
-import sys
-
-if env.has_key('shared_sdl') and env['shared_sdl']:
-	Return()
-
-if sys.platform == 'darwin':
-	Return()
-
-files = [
-	'src/SDL.c',
-	'src/SDL_error.c',
-	'src/SDL_fatal.c',
-	'src/joystick/SDL_joystick.c',
-	]
-
-if sys.platform.count('bsd'):
-	env['LIBS'] += ['usbhid']
-	files += [
-		'src/joystick/bsd/SDL_sysjoystick.c',
-		'src/stdlib/SDL_malloc.c',
-		'src/stdlib/SDL_string.c',
-		]
-elif sys.platform == 'darwin':
-	files += [
-		'src/joystick/darwin/SDL_sysjoystick.c',
-		]
-elif sys.platform == 'linux2':
-	files += [
-		'src/joystick/linux/SDL_sysjoystick.c',
-		'src/stdlib/SDL_string.c',
-		]
-elif sys.platform == 'win32':
-	files += [
-		'src/joystick/win32/SDL_mmjoystick.c',
-		]
-else:
-	files += [
-		'src/joystick/dummy/SDL_sysjoystick.c',
-		]
-
-env['CPPPATH'] += ['#Externals/SDL', '#Externals/SDL/include']
-env['LIBS'] += env.StaticLibrary('SDL', files)