Make cublas an optional dependency, remove torch/cublas as required deps, bump version

Author: Kosinkadink

pyproject.toml

@@ -9,7 +9,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "comfy-kitchen"
-version = "0.1.2"
+version = "0.1.3"
 description = "Fast Kernel Library for ComfyUI with multiple compute backends"
 readme = "README.md"
 requires-python = ">=3.10"
@@ -21,15 +21,15 @@ classifiers = [
     "Programming Language :: C++",
     "License :: OSI Approved :: Apache Software License",
 ]
-dependencies = [
-    "torch>=2.5.0",
-    "nvidia-cublas>=13.0.0",
-]
+dependencies = []
 
 [project.urls]
 Homepage = "https://github.com/comfyanonymous/ComfyKitchen"
 
 [project.optional-dependencies]
+cublas = [
+    "nvidia-cublas>=13.0.0",
+]
 dev = [
     "pytest>=7.0.0",
     "pytest-benchmark>=4.0.0",