revert cuda-cupy changes and update attributes

Author: Iroy30

python/cuopt/cuopt/linear_programming/problem.py

@@ -574,10 +574,6 @@ class Problem:
     ----------
     Name : str
         Name of the model.
-    vars : list
-        List of variables in the problem.
-    constrs : list
-        List of constraints in the problem.
     ObjSense : sense
         Objective sense (MINIMIZE or MAXIMIZE).
     Obj : object
@@ -588,22 +584,6 @@ class Problem:
         Status of the problem after solving.
     IsMIP : bool
         Indicates if the problem is a Mixed Integer Program.
-    rhs : array-like
-        Right-hand side values for constraints.
-    row_sense : array-like
-        Senses for each constraint row.
-    row_pointers : array-like
-        Row pointers for constraint matrix.
-    column_indicies : array-like
-        Column indices for constraint matrix.
-    values : array-like
-        Values for constraint matrix.
-    lower_bound : array-like
-        Lower bounds for variables.
-    upper_bound : array-like
-        Upper bounds for variables.
-    var_type : array-like
-        Types of variables (continuous, integer, etc.).
     SolveTime : float
         Time taken to solve the problem.
     SolutionStats : dict

python/cuopt/pyproject.toml

@@ -33,7 +33,7 @@ requires-python = ">=3.10"
 dependencies = [
     "cudf==25.8.*,>=0.0.0a0",
     "cuopt-mps-parser==25.8.*,>=0.0.0a0",
-    "cupy-cuda12x>=12.0.0",
+    "cupy-cuda12x",
     "cuvs==25.8.*,>=0.0.0a0",
     "libcuopt==25.8.*,>=0.0.0a0",
     "numba-cuda>=0.14.0",
@@ -151,7 +151,6 @@ matrix-entry = "cuda_suffixed=true;use_cuda_wheels=true"
 requires = [
     "cmake>=3.30.4",
     "cuopt-mps-parser==25.8.*,>=0.0.0a0",
-    "cupy-cuda12x>=12.0.0",
     "cython>=3.0.3",
     "libcuopt==25.8.*,>=0.0.0a0",
     "ninja",

python/cuopt_server/pyproject.toml

@@ -33,7 +33,6 @@ license = { text = "Apache-2.0" }
 requires-python = ">=3.10"
 dependencies = [
     "cuopt==25.8.*,>=0.0.0a0",
-    "cupy-cuda12x>=12.0.0",
     "fastapi",
     "httpx",
     "jsonref==1.1.0",