build: clean python dependency management

Switched to correct classifiers in pyproject.toml, they are not
free-form. Removed requirements.txt as it is not needed alongside
poetry. Removed setup.py as it was unused.

Author: nialov

pyproject.toml

@@ -8,13 +8,11 @@ license = "EUPL-1.2"
 readme = "README.md"
 homepage = "https://eis-he.eu"
 repository = "https://github.com/GispoCoding/eis_toolkit"
-# documentation = ""
+# See https://pypi.org/classifiers/
 keywords = [
-    "Exploration",
-    "Mineral prospectivity",
-    "Horizon Europe",
-    "Geology",
-    "Packages"
+    "Development Status :: 4 - Beta",
+    "Topic :: Scientific/Engineering :: GIS",
+    "Programming Language :: Python :: 3 :: Only",
 ]
 
 [tool.poetry.scripts]

requirements.txt

@@ -37,7 +37,7 @@ markupsafe==2.1.3 ; python_version >= "3.9" and python_version < "3.11"
 matplotlib==3.8.0 ; python_version >= "3.9" and python_version < "3.11"
 mdurl==0.1.2 ; python_version >= "3.9" and python_version < "3.11"
 ml-dtypes==0.2.0 ; python_version >= "3.9" and python_version < "3.11"
-numpy==1.26.1 ; python_version >= "3.9" and python_version < "3.11"
+numpy==1.26.1 ; python_version < "3.11" and python_version >= "3.9"
 oauthlib==3.2.2 ; python_version >= "3.9" and python_version < "3.11"
 opt-einsum==3.3.0 ; python_version >= "3.9" and python_version < "3.11"
 packaging==23.2 ; python_version >= "3.9" and python_version < "3.11"