fix: remove LLMaJ template; uses Requirement template

Author: jakelorocco

mellea/templates/prompts/default/LLMaJRequirement.jinja2

@@ -1,7 +1,7 @@
 import asyncio
 import pytest
 from mellea.stdlib.base import ChatContext, ModelOutputThunk
-from mellea.stdlib.requirement import Requirement, simple_validate
+from mellea.stdlib.requirement import LLMaJRequirement, Requirement, simple_validate
 from mellea.stdlib.session import start_session
 
 ctx = ChatContext()
@@ -18,6 +18,16 @@ async def test_llmaj_validation_req_output_field():
         "requirement's output shouldn't be updated during/after validation"
     )
 
+async def test_llmaj_requirement_uses_requirement_template():
+    m = start_session(ctx=ctx)
+    req = LLMaJRequirement("Must output test.")
+    assert req._output is None
+
+    _ = await req.validate(m.backend, ctx=ctx)
+    assert req._output is None, (
+        "requirement's output shouldn't be updated during/after validation"
+    )
+
 
 def test_simple_validate_bool():
     validation_func = simple_validate(lambda x: False, reason="static reason")