Remove explicit AbortSignal reason (#5904)

Author: CarlesDD

packages/datadog-instrumentations/test/child_process.spec.js

@@ -345,10 +345,6 @@ describe('child process', () => {
           const abortError = new Error('AbortError')
           function abort ({ abortController }) {
             abortController.abort(abortError)
-
-            if (!abortController.signal.reason) {
-              abortController.signal.reason = abortError
-            }
           }
 
           beforeEach(() => {

packages/datadog-instrumentations/test/mysql2.spec.js

@@ -12,10 +12,6 @@ describe('mysql2 instrumentation', () => {
       assert.isString(sql)
       const error = new Error('Test')
       abortController.abort(error)
-
-      if (!abortController.signal.reason) {
-        abortController.signal.reason = error
-      }
     }
 
     function noop () {}

packages/datadog-instrumentations/test/pg.spec.js

@@ -23,10 +23,6 @@ describe('pg instrumentation', () => {
     function abortQuery ({ abortController }) {
       const error = new Error('Test')
       abortController.abort(error)
-
-      if (!abortController.signal.reason) {
-        abortController.signal.reason = error
-      }
     }
 
     before(() => {

packages/dd-trace/src/appsec/rasp/utils.js

@@ -58,11 +58,6 @@ function handleResult (result, req, res, abortController, config, raspRule) {
       const abortError = new DatadogRaspAbortError(req, res, blockingAction, raspRule, ruleTriggered)
       abortController.abort(abortError)
 
-      // TODO Delete this when support for node 16 is removed
-      if (!abortController.signal.reason) {
-        abortController.signal.reason = abortError
-      }
-
       return
     }
   }