ci: remove redundant gdal pip package and simplify system deps

- gdal Python package requires exact system GDAL version matching
- rasterio covers all GDAL functionality we actually use
- Simplify CI system deps to libgl1 only (for opencv runtime)

Author: Victor Mbachu

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Install system dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install -y libgdal-dev gdal-bin libgl1-mesa-glx
+          sudo apt-get install -y libgl1
 
       - name: Install dependencies
         run: |

requirements.txt

@@ -7,7 +7,6 @@ scikit-learn>=1.0.0
 
 # Geospatial Data Processing
 rasterio>=1.3.0
-gdal>=3.4.0
 geopandas>=0.12.0
 shapely>=2.0.0
 pyproj>=3.4.0