Revert "Bump libpq version to 9.6.x"
Revert "Bump libpq version to 9.6.x"

This reverts commit b4a657f6bd30b85846c0570050f80a965203c30f.

project-icp/bee-pollinator-app,project-icp/bee-pollinator-app,WikiWatershed/model-my-watershed,kdeloach/model-my-watershed,WikiWatershed/model-my-watershed,kdeloach/model-my-watershed,WikiWatershed/model-my-watershed,WikiWatershed/model-my-watershed,kdeloach/model-my-watershed,project-icp/bee-pollinator-app,kdeloach/model-my-watershed,WikiWatershed/model-my-watershed,kdeloach/model-my-watershed,project-icp/bee-pollinator-app