remove panic handler (totally)

src/lib.rs

@@ -8,8 +8,6 @@ pub use cstr_core::CStr;
 
 pub mod ll;
 
-// pub mod panic;
-
 #[inline(always)]
 pub fn klee_abort() -> ! {
     unsafe { ll::abort() };

src/panic.rs

-#[cfg(not(test))] // avoid warning duplicate lang-item
-#[panic_handler]
-fn panic(_info: &core::panic::PanicInfo) -> ! {
-    // abort symbol caught by LLVM-KLEE
-    unsafe { crate::ll::abort() }
-}