test: remove complex arithmetic testing from `c_compiler` standalone test
This has no business being here. Tests for our compiler-rt routines should be in
compiler-rt, and tests for our C ABI compliance should be in `test-c-abi`.
a0e6d41331Alex Rønne Petersen committed on 11/19/2025, 12:42:45 AMparent41f7f3d