build: remove imageio dependency

requirements-dev.txt

@@ -88,8 +88,6 @@ idna==3.6
     #   anyio
     #   httpx
     #   requests
-imageio==2.33.1
-    # via imaginAIry (setup.py)
 importlib-metadata==7.0.1
     # via diffusers
 iniconfig==2.0.0
@@ -150,7 +148,6 @@ numpy==1.24.4
     # via
     #   -c tests/constraints.txt
     #   diffusers
-    #   imageio
     #   imaginAIry (setup.py)
     #   jaxtyping
     #   opencv-python
@@ -178,7 +175,6 @@ pathspec==0.12.1
 pillow==10.2.0
     # via
     #   diffusers
-    #   imageio
     #   imaginAIry (setup.py)
     #   torchvision
 platformdirs==4.1.0

setup.py

@@ -85,7 +85,6 @@ setup(
         "numpy>=1.22.0,<1.27.0",
         "tqdm>=4.64.0",
         "diffusers>=0.3.0",
-        "imageio>=2.9.0",
         "Pillow>=9.1.0",
         "psutil>5.7.3",
         "omegaconf>=2.1.1",