remove http urls from initial manifest set

__tests__/integration/mirador/index.html

@@ -21,12 +21,10 @@
          thumbnailNavigationPosition: 'off',
        }],
        manifests: {
-         "http://media.nga.gov/public/manifests/nga_highlights.json": { provider: "National Gallery of Art"},
+         "https://media.nga.gov/public/manifests/nga_highlights.json": { provider: "National Gallery of Art"},
          "https://data.ucd.ie/api/img/manifests/ucdlib:33064": { provider: "Irish Architectural Archive"},
          "https://wellcomelibrary.org/iiif/b18035723/manifest": { provider: "Wellcome Library"},
-         "http://dams.llgc.org.uk/iiif/2.0/4389767/manifest.json": { provider: "The National Library of Wales"},
          "https://demos.biblissima.fr/iiif/metadata/florus-dispersus/manifest.json": { provider: "Biblissima"},
-         "http://beta.biblissima.fr/iiif/manifest/ark:/43093/desc57cb76cd3739a24a9277b6669d95b5f3a590e771": { provider: "Biblissima"},
          "https://www.e-codices.unifr.ch/metadata/iiif/gau-Fragment/manifest.json": { provider: "e-codices - Virtual Manuscript Library of Switzerland"},
          "https://wellcomelibrary.org/iiif/collection/b18031511": { provider: "Wellcome Library"},
          "https://gallica.bnf.fr/iiif/ark:/12148/btv1b10022508f/manifest.json": { provider: "Bibliothèque nationale de France"},
@@ -34,7 +32,6 @@
          "https://iiif.biblissima.fr/chateauroux/B360446201_MS0005/manifest.json": { provider: "Biblissima"},
          "https://iiif.durham.ac.uk/manifests/trifle/32150/t1/m4/q7/t1m4q77fr328/manifest": { provider: "Durham University Library"},
          // "https://iiif.vam.ac.uk/collections/O1023003/manifest.json": { provider: "Ocean liners"},
-         "http://storiiies.cogapp.com/holbein/manifest.json": { provider: "National Gallery, London"}
        }
      });
     </script>