docs: mark ipad popover properties removed as of 9.0.0

Marks the height, width, leftNavButton and rightNavButton properties on
popover removed in SDK 9.0.0 that have been deprecated since 3.4.2.
Note that some of them were effectively removed at time of deprecation.

apidoc/Titanium/UI/iPad/Popover.yml

@@ -67,7 +67,7 @@ properties:
         It is recommended to set this property to colorize the whole popover instead of only
         its content view.
     availability: creation
-    since: 5.2.0
+    since: "5.2.0"
     default: undefined (behaves as transparent)
 
   - name: contentView
@@ -95,20 +95,22 @@ properties:
             </Alloy
 
     type: Titanium.UI.View
-    since: 3.2.0
+    since: "3.2.0"
 
   - name: height
     summary: Height of the popover.
     deprecated:
         since: "3.4.2"
         notes: This property is deprecated. Set the height on the [Titanium.UI.iPad.Popover.contentView](Titanium.UI.iPad.Popover.contentView) property instead.
+        removed: "9.0.0"
     type: [Number, String]
 
   - name: leftNavButton
     summary: Left button in the navigation area of the popover.
     deprecated:
         since: "3.4.2"
         notes: This property is no longer supported.
+        removed: "3.4.2"
     description: |
         Ignored when [Titanium.UI.iPad.Popover.contentView](Titanium.UI.iPad.Popover.contentView) is set.
 
@@ -137,6 +139,7 @@ properties:
     deprecated:
         since: "3.4.2"
         notes: This property is no longer supported.
+        removed: "3.4.2"
     description: |
         Ignored when [Titanium.UI.iPad.Popover.contentView](Titanium.UI.iPad.Popover.contentView) is set.
 
@@ -158,6 +161,7 @@ properties:
     deprecated:
         since: "3.4.2"
         notes: This property is no longer supported.
+        removed: "3.4.2"
     description: |
         Ignored when [Titanium.UI.iPad.Popover.contentView](Titanium.UI.iPad.Popover.contentView) is set.
     type: String
@@ -167,6 +171,7 @@ properties:
     deprecated:
         since: "3.4.2"
         notes: This property is deprecated. Set the width on the [Titanium.UI.iPad.Popover.contentView](Titanium.UI.iPad.Popover.contentView) property instead.
+        removed: "9.0.0"
     type: [Number, String]
 
 examples: