Remove deprecated file type in ModelElement. (#3598)

Author: kallentu

lib/src/generator/templates.runtime_renderers.dart

@@ -10561,28 +10561,6 @@ class _Renderer_ModelElement extends RendererBase<ModelElement> {
                         getters: _invisibleGetters['FileStructure']!);
                   },
                 ),
-                'fileType': Property(
-                  getValue: (CT_ c) => c.fileType,
-                  renderVariable:
-                      (CT_ c, Property<CT_> self, List<String> remainingNames) {
-                    if (remainingNames.isEmpty) {
-                      return self.getValue(c).toString();
-                    }
-                    var name = remainingNames.first;
-                    var nextProperty =
-                        _Renderer_String.propertyMap().getValue(name);
-                    return nextProperty.renderVariable(
-                        self.getValue(c) as String,
-                        nextProperty,
-                        [...remainingNames.skip(1)]);
-                  },
-                  isNullValue: (CT_ c) => false,
-                  renderValue: (CT_ c, RendererBase<CT_> r,
-                      List<MustachioNode> ast, StringSink sink) {
-                    _render_String(c.fileType, ast, r.template, sink,
-                        parent: r);
-                  },
-                ),
                 'fullyQualifiedName': Property(
                   getValue: (CT_ c) => c.fullyQualifiedName,
                   renderVariable:
@@ -12132,28 +12110,6 @@ class _Renderer_Package extends RendererBase<Package> {
                         parent: r);
                   },
                 ),
-                'fileType': Property(
-                  getValue: (CT_ c) => c.fileType,
-                  renderVariable:
-                      (CT_ c, Property<CT_> self, List<String> remainingNames) {
-                    if (remainingNames.isEmpty) {
-                      return self.getValue(c).toString();
-                    }
-                    var name = remainingNames.first;
-                    var nextProperty =
-                        _Renderer_String.propertyMap().getValue(name);
-                    return nextProperty.renderVariable(
-                        self.getValue(c) as String,
-                        nextProperty,
-                        [...remainingNames.skip(1)]);
-                  },
-                  isNullValue: (CT_ c) => false,
-                  renderValue: (CT_ c, RendererBase<CT_> r,
-                      List<MustachioNode> ast, StringSink sink) {
-                    _render_String(c.fileType, ast, r.template, sink,
-                        parent: r);
-                  },
-                ),
                 'fullyQualifiedName': Property(
                   getValue: (CT_ c) => c.fullyQualifiedName,
                   renderVariable:

lib/src/model/model_element.dart

@@ -600,10 +600,6 @@ abstract class ModelElement extends Canonicalization
   @Deprecated('replace with fileStructure.fileName')
   String get fileName => fileStructure.fileName;
 
-  @Deprecated('Will be removed.')
-  // TODO(kallentu): Remove the usages of this getter to default to html.
-  String get fileType => 'html';
-
   /// The full path of the output file in which this element will be primarily
   /// documented.
   String get filePath;

lib/src/model/package.dart

@@ -191,15 +191,7 @@ class Package extends LibraryContainer
   @override
   String get enclosingName => packageGraph.defaultPackageName;
 
-  String get filePath => 'index.$fileType';
-
-  // TODO(jdkoren): Provide a way to determine file type of a remote package's
-  // docs. Perhaps make this configurable through dartdoc options.
-  // In theory, a remote package could be documented in any supported format.
-  // In practice, devs depend on Dart, Flutter, and/or packages fetched
-  // from pub.dev, and we know that all of those use html docs.
-  // TODO(kallentu): Remove the usages of this getter to default to html.
-  String get fileType => 'html';
+  String get filePath => 'index.html';
 
   @override
   String get fullyQualifiedName => 'package:$name';