Remove copied_code.rs (#3793)

<!-- Reference any GitHub issues resolved by this PR -->

Closes #3293 

## Introduced changes

<!-- A brief description of the changes -->

- Finally removed all code that was copied from blockifier to forge
during migration from cairo-lang-runner. There are still some leftovers
in cast but these will be removed when migrating cast scripts to macros.

## Checklist

<!-- Make sure all of these are complete -->

- [x] Linked relevant issue
- [x] Updated relevant documentation
- [x] Added relevant tests
- [x] Performed self-review of the code
- [x] Added changes to `CHANGELOG.md`

Author: cptartur

crates/forge-runner/src/running.rs

@@ -46,7 +46,6 @@ use tokio::task::JoinHandle;
 use universal_sierra_compiler_api::AssembledProgramWithDebugInfo;
 
 pub mod config_run;
-mod copied_code;
 mod execution;
 mod hints;
 mod setup;

crates/forge-runner/src/running/copied_code.rs

@@ -1,8 +1,7 @@
-use crate::running::copied_code::get_call_result;
 use blockifier::execution::call_info::{CallExecution, CallInfo};
 use blockifier::execution::contract_class::TrackedResource;
 use blockifier::execution::entry_point_execution::{
-    extract_vm_resources, finalize_runner, total_vm_resources,
+    extract_vm_resources, finalize_runner, get_call_result, total_vm_resources,
 };
 use blockifier::execution::errors::PostExecutionError;
 use blockifier::execution::syscalls::hint_processor::SyscallHintProcessor;