build: Remove setup.py, replaced by poetry build

setup.py

@@ -1,65 +0,0 @@
-import pathlib
-import re
-
-from setuptools import find_packages, setup
-
-HERE = pathlib.Path(__file__).parent.absolute()
-PACKAGE = "qibotn"
-
-
-# Returns the qibotn version
-def version():
-    """Gets the version from the package's __init__ file if there is some
-    problem, let it happily fail."""
-    version_file = HERE / "src" / PACKAGE / "__init__.py"
-    version_regex = r"^__version__ = ['\"]([^'\"]*)['\"]"
-
-    initfile = version_file.read_text(encoding="utf-8")
-    matched = re.search(version_regex, initfile, re.M)
-
-    if matched is not None:
-        return matched.group(1)
-    return "0.0.0"
-
-
-# load long description from README
-setup(
-    name="qibotn",
-    version=version(),
-    description="A tensor-network translation module for quantum computing",
-    author="The Qibo team",
-    author_email="",
-    url="https://github.com/qiboteam/qibotn",
-    packages=find_packages("src"),
-    package_dir={"": "src"},
-    package_data={"": ["*.out", "*.yml"]},
-    include_package_data=True,
-    zip_safe=False,
-    classifiers=[
-        "Programming Language :: Python :: 3",
-        "Topic :: Scientific/Engineering :: Physics",
-    ],
-    install_requires=[
-        "qibo>=0.1.10",
-        "qibojit>=0.0.7",
-        "quimb[tensor]>=1.6.0",
-    ],
-    extras_require={
-        "docs": [],
-        "tests": [
-            "pytest>=7.2.0",
-            "pytest-cov>=4.0.0",
-            "pytest-env>=0.8.1",
-        ],
-        "analysis": [
-            "pylint>=2.16.0",
-        ],
-        "cuda": [
-            "cupy>=11.6.0",
-            "cuquantum-python-cu11>=23.3.0",
-        ],
-    },
-    python_requires=">=3.8.0",
-    long_description=(HERE / "README.md").read_text(encoding="utf-8"),
-    long_description_content_type="text/markdown",
-)