Removing diff_gaussian_rasterization dependency

requirements.txt

@@ -37,4 +37,4 @@ e3nn
 plyfile
 tabulate
 svg.py
-git+https://github.com/dcharatan/diff-gaussian-rasterization-modified
+# git+https://github.com/dcharatan/diff-gaussian-rasterization-modified

src/pixelsplat_src/cuda_splatting.py

@@ -2,10 +2,12 @@ from math import isqrt
 from typing import Literal
 
 import torch
-from diff_gaussian_rasterization import (
-    GaussianRasterizationSettings,
-    GaussianRasterizer,
-)
+# @REMOVED for the Huggingface demo. This code should not be called in the
+# execution of the demo demo.
+# from diff_gaussian_rasterization import (
+#     GaussianRasterizationSettings,
+#     GaussianRasterizer,
+# )
 from einops import einsum, rearrange, repeat
 from torch import Tensor