configure.ac: remove no longer necessary llvm-config --libs check

Prior to the refactor/cleanup by Tobias one could add an invalid
component to LLVM_COMPONENTS.

Since that's no longer the case we can drop the current check.

Cc: Tobias Droste <tdroste@gmx.de>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Tobias Droste <tdroste@gmx.de>
1 file changed