gh-116168: Remove extra _CHECK_STACK_SPACE uops (#117242)

This merges all `_CHECK_STACK_SPACE` uops in a trace into a single `_CHECK_STACK_SPACE_OPERAND` uop that checks whether there is enough stack space for all calls included in the entire trace.

Python/optimizer_cases.c.h

@@ -1906,6 +1906,10 @@
             break;
         }
 
+        case _CHECK_STACK_SPACE_OPERAND: {
+            break;
+        }
+
         case _SAVE_RETURN_OFFSET: {
             break;
         }