remove shark 1.0 tests, add support for 2.0 llm

* add support for external weights

* add tests and edit deps

setup.py

@@ -9,11 +9,6 @@ with open("README.md", "r", encoding="utf-8") as fh:
 
 PACKAGE_VERSION = os.environ.get("SHARK_PACKAGE_VERSION") or "0.0.5"
 backend_deps = []
-if "NO_BACKEND" in os.environ.keys():
-    backend_deps = [
-        "iree-compiler>=20221022.190",
-        "iree-runtime>=20221022.190",
-    ]
 
 setup(
     name="nodai-SHARK",
@@ -39,7 +34,5 @@ setup(
     install_requires=[
         "numpy",
         "PyYAML",
-        "torch-mlir",
     ]
-    + backend_deps,
 )