Revert the aarch64 hack

Author: pablogsal

src/memray/_memray/ghost_stack/src/ghost_stack.cpp

@@ -526,16 +526,6 @@ class GhostStackImpl
             ip = ptrauth_strip(ip);
 #endif
 
-            // On ARM64 Linux, unw_backtrace returns addresses adjusted by -1
-            // (to point inside the call instruction for symbolization),
-            // but unw_get_reg(UNW_REG_IP) returns the raw return address.
-            // Adjust to match unw_backtrace's behavior for consistency.
-#if defined(GS_ARCH_AARCH64) && defined(__linux__)
-            if (ip > 0) {
-                ip = ip - 1;
-            }
-#endif
-
             // Get location where return address is stored
             uintptr_t* ret_loc = nullptr;
 #ifdef __linux__