[mypyc] Delete outdated TODOs (#10698)

Delete two outdated TODOs.

Author: 97littleleaf11

mypyc/irbuild/ll_builder.py

@@ -1094,8 +1094,6 @@ def matching_call_c(self,
                         args: List[Value],
                         line: int,
                         result_type: Optional[RType] = None) -> Optional[Value]:
-        # TODO: this function is very similar to matching_primitive_op
-        # we should remove the old one or refactor both them into only as we move forward
         matching = None  # type: Optional[CFunctionDescription]
         for desc in candidates:
             if len(desc.arg_types) != len(args):

mypyc/test-data/run-functions.test

@@ -21,7 +21,6 @@ def fib(n: int) -> int:
         return 1
     else:
         return fib(n - 1) + fib(n - 2)
-    return 0  # TODO: This should be unnecessary
 [file driver.py]
 from native import fib
 print(fib(0))