Remove BuildFunctionTypeAliasesTask.

pkg/analyzer/lib/src/context/context.dart

Index: pkg/analyzer/lib/src/context/context.dart
diff --git a/pkg/analyzer/lib/src/context/context.dart b/pkg/analyzer/lib/src/context/context.dart
index 2b96387301d51d83f755adae453f163910b80d62..d20eff544b837409d2050db9c072f6cc80ee80af 100644
--- a/pkg/analyzer/lib/src/context/context.dart
+++ b/pkg/analyzer/lib/src/context/context.dart
@@ -1076,7 +1076,6 @@ class AnalysisContextImpl implements InternalAnalysisContext {
         entry.setValue(result, value, TargetedResult.EMPTY_LIST);
       }
       setValue(BUILD_DIRECTIVES_ERRORS, AnalysisError.NO_ERRORS);
-      setValue(BUILD_FUNCTION_TYPE_ALIASES_ERRORS, AnalysisError.NO_ERRORS);
       setValue(BUILD_LIBRARY_ERRORS, AnalysisError.NO_ERRORS);
       // CLASS_ELEMENTS
       setValue(COMPILATION_UNIT_ELEMENT, library.definingCompilationUnit);
@@ -1115,7 +1114,6 @@ class AnalysisContextImpl implements InternalAnalysisContext {
       entry.setState(RESOLVED_UNIT, CacheState.FLUSHED);
       entry.setState(RESOLVED_UNIT1, CacheState.FLUSHED);
       entry.setState(RESOLVED_UNIT2, CacheState.FLUSHED);
-      entry.setState(RESOLVED_UNIT3, CacheState.FLUSHED);
       entry.setState(RESOLVED_UNIT4, CacheState.FLUSHED);
       entry.setState(RESOLVED_UNIT5, CacheState.FLUSHED);
       entry.setState(RESOLVED_UNIT6, CacheState.FLUSHED);