ref: Change getActivitySpan to not check hub

Author: AbhiPrasad

CHANGELOG.md

@@ -11,6 +11,7 @@
 - [gatsby] feat: Add @sentry/gatsby package (#2652)
 - [core] ref: Rename `whitelistUrls/blacklistUrls` to `allowUrls/denyUrls`
 - [react] ref: Refactor Profiler to account for update and render (#2677)
+- [tracing] feat: Add ability to get span from activity using `getActivitySpan` (#2677)
 
 ## 5.17.0
 

packages/apm/src/integrations/tracing.ts

@@ -879,14 +879,9 @@ export class Tracing implements Integration {
     if (!id) {
       return undefined;
     }
-    if (Tracing._getCurrentHub) {
-      const hub = Tracing._getCurrentHub();
-      if (hub) {
-        const activity = Tracing._activities[id];
-        if (activity) {
-          return activity.span;
-        }
-      }
+    const activity = Tracing._activities[id];
+    if (activity) {
+      return activity.span;
     }
     return undefined;
   }