Remove unused bool.

Author: davidmorgan

build_runner_core/lib/src/generate/build_definition.dart

@@ -29,22 +29,14 @@ class BuildDefinition {
   final AssetGraph assetGraph;
   final BuildScriptUpdates? buildScriptUpdates;
 
-  /// Whether this is a build starting from no previous state or outputs.
-  final bool cleanBuild;
-
   /// When reusing serialized state from a previous build: the file updates
   /// since that build.
   ///
   /// Or, `null` if there was no serialized state or it was discared due to
   /// the current build having an incompatible change.
   final Map<AssetId, ChangeType>? updates;
 
-  BuildDefinition._(
-    this.assetGraph,
-    this.buildScriptUpdates,
-    this.cleanBuild,
-    this.updates,
-  );
+  BuildDefinition._(this.assetGraph, this.buildScriptUpdates, this.updates);
 
   static Future<BuildDefinition> prepareWorkspace({
     required PackageGraph packageGraph,
@@ -192,12 +184,7 @@ class _Loader {
       await _initialBuildCleanup(conflictingOutputs, writer);
     }
 
-    return BuildDefinition._(
-      assetGraph,
-      buildScriptUpdates,
-      cleanBuild,
-      updates,
-    );
+    return BuildDefinition._(assetGraph, buildScriptUpdates, updates);
   }
 
   /// Deletes the generated output directory.

build_runner_core/lib/src/generate/build_series.dart

@@ -51,9 +51,6 @@ class BuildSeries {
   /// if the serialized build state was discarded.
   Map<AssetId, ChangeType>? updatesFromLoad;
 
-  /// Whether this is or was a build starting from no previous state or outputs.
-  final bool cleanBuild;
-
   /// Whether the next build is the first build.
   bool firstBuild = true;
 
@@ -64,7 +61,6 @@ class BuildSeries {
     this.assetGraph,
     this.buildScriptUpdates,
     this.finalizedReader,
-    this.cleanBuild,
     this.updatesFromLoad,
   ) : readerWriter = buildPlan.reader.copyWith(
         generatedAssetHider: assetGraph,
@@ -149,7 +145,6 @@ class BuildSeries {
       buildDefinition.assetGraph,
       buildDefinition.buildScriptUpdates,
       finalizedReader,
-      buildDefinition.cleanBuild,
       buildDefinition.updates,
     );
     return build;