Update umbraco-marketplace.json

Author: AndyButland

src/Umbraco.Cms.Integrations.SEO.Semrush/umbraco-marketplace.json

@@ -51,10 +51,6 @@
       "ImageUrl": "https://raw.githubusercontent.com/umbraco/Umbraco.Cms.Integrations/main/src/Umbraco.Cms.Integrations.SEO.Semrush/docs/images/contentapp.png",
       "Caption": "content app"
     },
-    {
-      "ImageUrl": "https://raw.githubusercontent.com/umbraco/Umbraco.Cms.Integrations/main/src/Umbraco.Cms.Integrations.SEO.Semrush/docs/images/keyword-search-database.png",
-      "Caption": "property selector"
-    },
     {
       "ImageUrl": "https://raw.githubusercontent.com/umbraco/Umbraco.Cms.Integrations/main/src/Umbraco.Cms.Integrations.SEO.Semrush/docs/images/keyword-search.png",
       "Caption": "keyword search"