Elements. Remove V1 PropertyAccessorElement.

Change-Id: Ife5ded38f5c4bb3951653013d7d283c663a4f300
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/423208
Commit-Queue: Konstantin Shcheglov <scheglov@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>

https://dart.googlesource.com/sdk/+/adad55f8944741e12d07722ed494207449ac6cc6

DEPS

diff --git a/DEPS b/DEPS
index 0dbdf3d..dbf163b 100644
--- a/DEPS
+++ b/DEPS
@@ -238,7 +238,7 @@
 ]
 
 deps = {
-  'flutter/engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + 'c6e3f9ab7cc9c4d8620e615d2ab57db7163eacdf',
+  'flutter/engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + 'adad55f8944741e12d07722ed494207449ac6cc6',
 
   'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + '7ca63fadd7743f5cdaeab68a7f78704f947c1821',
 

commits.json

diff --git a/commits.json b/commits.json
index e170a64..88f5ee4 100644
--- a/commits.json
+++ b/commits.json
@@ -1,4 +1,4 @@
 {
   "flutter":"7ca63fadd7743f5cdaeab68a7f78704f947c1821",
-  "flutter/engine/src/flutter/third_party/dart":"c6e3f9ab7cc9c4d8620e615d2ab57db7163eacdf"
+  "flutter/engine/src/flutter/third_party/dart":"adad55f8944741e12d07722ed494207449ac6cc6"
 }
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