feat(apm): Transactions view v1 (#14225)

Closes SEN-866
Closes SEN-873

Author: dashed

package.json

@@ -56,6 +56,7 @@
     "fuse.js": "^3.2.0",
     "gettext-parser": "1.3.1",
     "grid-emotion": "^2.1.0",
+    "intersection-observer": "^0.7.0",
     "ios-device-list": "^1.1.30",
     "jed": "^1.1.0",
     "jquery": "2.2.2",

src/sentry/static/sentry/app/components/events/eventEntries.jsx

@@ -32,7 +32,6 @@ import SentryTypes from 'app/sentryTypes';
 import StacktraceInterface from 'app/components/events/interfaces/stacktrace';
 import TemplateInterface from 'app/components/events/interfaces/template';
 import ThreadsInterface from 'app/components/events/interfaces/threads';
-import SpansInterface from 'app/components/events/interfaces/spans';
 import withApi from 'app/utils/withApi';
 import withOrganization from 'app/utils/withOrganization';
 
@@ -49,7 +48,6 @@ export const INTERFACES = {
   breadcrumbs: BreadcrumbsInterface,
   threads: ThreadsInterface,
   debugmeta: DebugMetaInterface,
-  spans: SpansInterface,
 };
 
 class EventEntries extends React.Component {