Clean package requirement

Some packages are needed for the doc generation -> set them in docs/requirements.txt
Some packages are not used in the code
requests is needed by opengate_core and was previously installed by the removed packages.

core/setup.py

@@ -173,5 +173,5 @@ def build_extension(self, ext):
         "License :: OSI Approved :: Apache Software License",
         "Operating System :: OS Independent",
     ),
-    install_requires=["wget", "colored"],
+    install_requires=["wget", "colored", "requests"],
 )

docs/requirements.txt

@@ -1,3 +1,6 @@
+sphinx
+sphinx_pdj_theme
+autoapi
 myst_parser
 sphinx-autoapi
 sphinx_copybutton

setup.py

@@ -34,24 +34,16 @@
         "colored",
         "opengate_core==" + version,
         "gatetools",
-        "tqdm",
         "click",
         "python-box<7.0.0",
         "anytree",
         "numpy",
         "itk",
         "uproot",
-        "sphinx",
         "scipy",
-        "sphinx_pdj_theme",
         "matplotlib",
-        "myst-parser",
         "GitPython",
         "colorlog",
-        "sphinx_copybutton",
-        "autoapi",
-        "unzip",
-        "sphinx-autoapi",
     ],
     scripts=[
         "opengate/bin/opengate_tests",