remove version requirements

requirements.txt

@@ -1,15 +1,15 @@
-codespell>=2.2.6
-geopy>=2.3.0
-haversine>=2.8.0
-matplotlib>=3.1.0
-networkx>=3.0
-numpy>=1.24.1
-pandas>=1.5.2
-pre-commit>=3.6.2
-pyarrow>=15.0.0
-pykml>=0.2.0
-pyproj>=3.4.1
-pytest>=7.2.2
-pytest-cov>=4.1.0
-scipy>=1.10.1
-shapely>=2.0.1
+codespell
+geopy
+haversine
+matplotlib
+networkx
+numpy
+pandas
+pre-commit
+pyarrow
+pykml
+pyproj
+pytest
+pytest-cov
+scipy
+shapely