TEST: Remove assign to func param

Author: ubaidsk

tests/expr9.py

@@ -11,20 +11,14 @@ def test_return_2(a: i32) -> str:
 
 
 def test_return_3(a: i32) -> i32:
-    a = 3
     return a
 
 
-def test_return_4(a: i32):
-    a = 1
-    return
-
 def main0():
     i: i32
     i = test_return_1(4)
     s: str
     s = test_return_2(4)
     i = test_return_3(4)
-    test_return_4(4)
 
 main0()