update cog.yaml

cog.yaml

@@ -8,14 +8,13 @@ build:
   # a list of ubuntu apt packages to install
   system_packages:
     - pip=22.2.1
-    
+    - cudatoolkit=11.7
 
   # python version in the form '3.11' or '3.11.4'
   python_version: "3.10.6"
 
   # a list of packages in the format <package-name>==<version>
   python_packages:
-    - cudatoolkit=11.7
     - numpy=1.23.3
     - cython==0.29.33
     - pytorch