Stack Limit as an Argument Purpose (#372)

* Initial approach.

* Move stack_limit check before opening the frame

* Account for GPRs and frame pointer in stack check

* Check stack_limit example.

* Remove stack_limit attribute code.

Amends #359

* fmt

lib/codegen/src/write.rs

@@ -136,11 +136,6 @@ fn write_preamble(
         writeln!(w, "    {} = {}", jt, jt_data)?;
     }
 
-    if let Some(stack_limit) = func.stack_limit {
-        any = true;
-        writeln!(w, "    stack_limit = {}", stack_limit)?;
-    }
-
     Ok(any)
 }