Update metadata

Author: addisonschultz

integrations/wistia/assets/icon.png

@@ -1,7 +1,7 @@
 name: wistia
 title: Wistia
 organization: gitbook
-icon: ./assets/icon.svg
+icon: ./assets/icon.png
 previewImages:
     - ./assets/wistia-preview.png
 description: Add Wistia video analytics to your GitBook site.
@@ -10,7 +10,6 @@ script: ./src/index.ts
 scopes:
     - site:script:inject
     - site:script:cookies
-organization: gitbook
 contentSecurityPolicy:
     script-src: https://fast.wistia.com;
 summary: |
@@ -23,7 +22,7 @@ summary: |
     The integration injects the Wistia script (https://fast.wistia.com/assets/external/E-v1.js)
     on your page to enable video analytics tracking.
     See example: https://docs.wistia.com/docs/iframe-embed-options#iframe-embed-options-and-bracket-notation
-    
+
 categories:
     - analytics
-target: site
+target: site