Remove unneeded required install.

Author: rhysrevans3

stac_fastapi/elasticsearch/setup.py

@@ -6,7 +6,6 @@
     desc = f.read()
 
 install_requires = [
-    "stac-fastapi.core==2.4.1",
     "elasticsearch[async]==8.11.0",
     "elasticsearch-dsl==8.11.0",
     "uvicorn",