Remove DDC custom error list now that strong mode analyzer handles it

pubspec.lock

Index: pubspec.lock
diff --git a/pubspec.lock b/pubspec.lock
index 148a8fe9b80280edd767433ec6886b1fc76114a2..765a681beccd26fc43a2bb52c3d7a5b761fa2354 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -6,19 +6,19 @@ packages:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.27.4-alpha.12"
+    version: "0.27.4-alpha.19"
   args:
     description:
       name: args
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.13.4+2"
+    version: "0.13.5"
   async:
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.11.0"
+    version: "1.11.1"
   barback:
     description:
       name: barback
@@ -36,7 +36,7 @@ packages:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.0.2"
   charcode:
     description:
       name: charcode
@@ -54,13 +54,13 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.9.0"
   convert:
     description:
       name: convert
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.1"
+    version: "2.0.0"
   crypto:
     description:
       name: crypto
@@ -96,25 +96,37 @@ packages:
       name: glob
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.2"
+    version: "1.1.3"
   html:
     description:
       name: html
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.12.2+2"
+  http:
+    description:
+      name: http
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.11.3+9"
   http_multi_server:
     description:
       name: http_multi_server
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.2"
   http_parser:
     description:
       name: http_parser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.1"
+    version: "3.0.2"
+  isolate:
+    description:
+      name: isolate
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.2"
   js:
     description:
       name: js
@@ -126,7 +138,7 @@ packages:
       name: logging
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.11.3"
+    version: "0.11.3+1"
   matcher:
     description:
       name: matcher
@@ -145,6 +157,12 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.5"
+  package_resolver:
+    description:
+      name: package_resolver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   path:
     description:
       name: path
@@ -168,7 +186,7 @@ packages:
       name: protobuf
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.1+4"
+    version: "0.5.2"
   pub_semver:
     description:
       name: pub_semver
@@ -186,7 +204,7 @@ packages:
       name: shelf_static
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.3+4"
+    version: "0.2.4"
   shelf_web_socket:
     description:
       name: shelf_web_socket
@@ -198,7 +216,7 @@ packages:
       name: source_map_stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
+    version: "1.1.0"
   source_maps:
     description:
       name: source_maps
@@ -216,7 +234,7 @@ packages:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.5"
+    version: "1.6.6"
   stream_channel:
     description:
       name: stream_channel
@@ -228,7 +246,7 @@ packages:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.5"
+    version: "1.0.0"
   test:
     description:
       name: test
@@ -288,5 +306,5 @@ packages:
       name: yaml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.9"
-sdk: ">=1.16.0 <1.20.0"
+    version: "2.1.10"
+sdk: ">=1.17.0-dev.6.2 <1.20.0"