remove create_func....

problem/func_fit/func_fitting.py

@@ -0,0 +1,21 @@
+from dataclasses import dataclass
+from typing import Callable
+
+from config import ProblemConfig
+from core import Problem, State
+
+
+@dataclass(frozen=True)
+class FuncFitConfig:
+    pass
+
+
+class FuncFit(Problem):
+    def __init__(self, config: ProblemConfig):
+        self.config = ProblemConfig
+
+    def setup(self, state=State()):
+        pass
+
+    def evaluate(self, state: State, act_func: Callable, params):
+        pass