static: replace install

Also get rid of many unused pages and assets.

generate-sitemap.py

@@ -8,16 +8,11 @@ pages = [
     ["/", 0.5],
     ["/LICENSE.txt", 0.0],
     ["/build", 0.5],
-    ["/camera-privacy-policy", 0.0],
     ["/contact", 0.5],
     ["/faq", 1.0],
     ["/package", 1.0],
-    ["/hiring", 0.2],
     ["/humans.txt", 0.0],
-    ["/pdfviewer-privacy-policy", 0.0],
-    ["/install/", 0.5],
-    ["/install/cli", 0.5],
-    ["/install/web", 0.5],
+    ["/install", 0.5],
     ["/usage", 1.0]
 ]