Remove HomePageViewController code (#3454)

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Task/Issue URL:
https://app.asana.com/0/72649045549333/1208547223289954/f
Tech Design URL:
CC: @brindy 

**Description**:

This is a follow up after #3453.

Removes unused code related to HomePageViewController. Home renderers
abstraction was also removed, though the implementation itself is used
in both Bookmarks controller and to show Favorites while editing URL on
non-home tab.

**Steps to test this PR**:
1. Make sure code compiles and tests pass.

**Definition of Done (Internal Only)**:

* [ ] Does this PR satisfy our [Definition of
Done](https://app.asana.com/0/1202500774821704/1207634633537039/f)?

**Copy Testing**:

* [ ] Use of correct apostrophes in new copy, ie `’` rather than `'`

**Orientation Testing**:

* [ ] Portrait
* [ ] Landscape

**Device Testing**:

* [ ] iPhone SE (1st Gen)
* [ ] iPhone 8
* [ ] iPhone X
* [ ] iPhone 14 Pro
* [ ] iPad

**OS Testing**:

* [ ] iOS 15
* [ ] iOS 16
* [ ] iOS 17

**Theme Testing**:

* [ ] Light theme
* [ ] Dark theme

---
###### Internal references:
[Software Engineering
Expectations](https://app.asana.com/0/59792373528535/199064865822552)
[Technical Design
Template](https://app.asana.com/0/59792373528535/184709971311943)

DuckDuckGo/FavoritesHomeViewSectionRenderer.swift

@@ -34,7 +34,7 @@ protocol FavoritesHomeViewSectionRendererDelegate: AnyObject {
                            favoriteDeleted favorite: BookmarkEntity)
 }
 
-class FavoritesHomeViewSectionRenderer: NSObject, HomeViewSectionRenderer {
+class FavoritesHomeViewSectionRenderer {
 
     struct Constants {
 
@@ -43,7 +43,8 @@ class FavoritesHomeViewSectionRenderer: NSObject, HomeViewSectionRenderer {
         static let defaultHeaderHeight: CGFloat = 20
         static let horizontalMargin: CGFloat = 2
         static let largeModeMargin: CGFloat = 24
-
+        static let sideInsets: CGFloat = 25
+
     }
 
     let viewModel: FavoritesListInteracting
@@ -83,13 +84,6 @@ class FavoritesHomeViewSectionRenderer: NSObject, HomeViewSectionRenderer {
         return Constants.defaultHeaderHeight
     }
 
-    func install(into controller: HomeViewController) {
-        self.controller = controller
-        if numberOfItems > 0 {
-            controller.hideLogo()
-        }
-    }
-
     func install(into controller: UIViewController & FavoritesHomeViewSectionRendererDelegate) {
         self.controller = controller
     }
@@ -103,7 +97,7 @@ class FavoritesHomeViewSectionRenderer: NSObject, HomeViewSectionRenderer {
         if isPad {
             margin = (collectionView.frame.width - Constants.searchWidthPad) / 2
         } else {
-            let defaultMargin = HomeViewSectionRenderers.Constants.sideInsets
+            let defaultMargin = FavoritesHomeViewSectionRenderer.Constants.sideInsets
             let landscapeMargin = (collectionView.frame.width - Constants.searchWidth + defaultMargin) / 2
             margin = isPortrait ? defaultMargin : landscapeMargin
         }