[Impeller] Remove duplicated code. (#44024) Contents::ShouldRender already checks whether the stencil_coverage.has_value.

diff --git a/impeller/entity/contents/color_source_contents.cc b/impeller/entity/contents/color_source_contents.cc
index 6737702..24b1956 100644
--- a/impeller/entity/contents/color_source_contents.cc
+++ b/impeller/entity/contents/color_source_contents.cc

@@ -51,13 +51,4 @@
   inherited_opacity_ = opacity;
 }
 
-bool ColorSourceContents::ShouldRender(
-    const Entity& entity,
-    const std::optional<Rect>& stencil_coverage) const {
-  if (!stencil_coverage.has_value()) {
-    return false;
-  }
-  return Contents::ShouldRender(entity, stencil_coverage);
-}
-
 }  // namespace impeller

diff --git a/impeller/entity/contents/color_source_contents.h b/impeller/entity/contents/color_source_contents.h
index d6a580d..5ae6f15 100644
--- a/impeller/entity/contents/color_source_contents.h
+++ b/impeller/entity/contents/color_source_contents.h

@@ -94,10 +94,6 @@
   std::optional<Rect> GetCoverage(const Entity& entity) const override;
 
   // |Contents|
-  bool ShouldRender(const Entity& entity,
-                    const std::optional<Rect>& stencil_coverage) const override;
-
-  // |Contents|
   bool CanInheritOpacity(const Entity& entity) const override;
 
   // |Contents|

diff --git a/impeller/entity/contents/solid_color_contents.cc b/impeller/entity/contents/solid_color_contents.cc
index 8a2cead..b90f3ff 100644
--- a/impeller/entity/contents/solid_color_contents.cc
+++ b/impeller/entity/contents/solid_color_contents.cc

@@ -41,15 +41,6 @@
   return geometry->GetCoverage(entity.GetTransformation());
 };
 
-bool SolidColorContents::ShouldRender(
-    const Entity& entity,
-    const std::optional<Rect>& stencil_coverage) const {
-  if (!stencil_coverage.has_value()) {
-    return false;
-  }
-  return Contents::ShouldRender(entity, stencil_coverage);
-}
-
 bool SolidColorContents::Render(const ContentContext& renderer,
                                 const Entity& entity,
                                 RenderPass& pass) const {

diff --git a/impeller/entity/contents/solid_color_contents.h b/impeller/entity/contents/solid_color_contents.h
index 6af6489..3d704b4 100644
--- a/impeller/entity/contents/solid_color_contents.h
+++ b/impeller/entity/contents/solid_color_contents.h

@@ -41,10 +41,6 @@
   std::optional<Rect> GetCoverage(const Entity& entity) const override;
 
   // |Contents|
-  bool ShouldRender(const Entity& entity,
-                    const std::optional<Rect>& stencil_coverage) const override;
-
-  // |Contents|
   bool Render(const ContentContext& renderer,
               const Entity& entity,
               RenderPass& pass) const override;