mesa/program: remove dead function declarations

Dead since

 5e9aa9926b9 (2011) - _mesa_ir_compile_shader
 69e07bdeb42 (2009) - _mesa_get_program_register

Cc: Kenneth Graunke <kenneth@whitecape.org>
Cc: Brian Paul <brianp@vmware.com>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
2 files changed