Revert "Add RecallActions and observations for retrieval of prompt extensions (#6909)"

This reverts commit cc45f5d9c3.

openhands/agenthub/codeact_agent/prompts/additional_info.j2

@@ -1,6 +1,6 @@
 {% if repository_info %}
 <REPOSITORY_INFO>
-At the user's request, repository {{ repository_info.repo_name }} has been cloned to directory {{ repository_info.repo_directory }}.
+At the user's request, repository {{ repository_info.repo_name }} has been cloned to the current working directory {{ repository_info.repo_directory }}.
 </REPOSITORY_INFO>
 {% endif %}
 {% if repository_instructions -%}

tests/unit/test_prompt_manager.py

@@ -117,7 +117,7 @@ def test_prompt_manager_template_rendering(prompt_dir):
     msg_content: str = initial_msg.content[0].text
     assert '<REPOSITORY_INFO>' in msg_content
     assert (
-        "At the user's request, repository owner/repo has been cloned to directory /workspace/repo."
+        "At the user's request, repository owner/repo has been cloned to the current working directory /workspace/repo."
         in msg_content
     )
     assert '</REPOSITORY_INFO>' in msg_content