Fixed build trying to delete the wrong things.

Signed-off-by: Deukhoofd <Deukhoofd@gmail.com>

.drone.yml

@@ -88,7 +88,7 @@ steps:
       - name: docs
         path: /docs
     commands:
-      - rm -rf /docs
+      - rm -rf /docs/*
       - wget https://documentation.p-epsilon.com/Arbutils/Arbutils.tag Arbutils.tag
       - ( cat Doxyfile ; echo "OUTPUT_DIRECTORY=/docs"; echo "GENERATE_TAGFILE=/docs/html/CreatureLib.tag" ) | doxygen -
 ---