generic-x86_64: Disable c_str_literals on Rust 1.77+

C string literals were stabilized in Rust 1.77
so the c_str_literals feature is no longer needed.

Bug: 337337239
Test: generic-x86_64-test
Change-Id: I8424404fa4220ed9fb90f9c112926a0a9970ce3f
1 file changed