Revert "Update docs"

This reverts commit af7afe6a96.

docs/Xamarin.Forms.Core/Xamarin.Forms/BindableObject.xml

@@ -436,46 +436,6 @@ class MyBindable : BindableObject
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
-    <Member MemberName="IsDefault">
-      <MemberSignature Language="C#" Value="public bool IsDefault (Xamarin.Forms.BindableProperty targetProperty);" />
-      <MemberSignature Language="ILAsm" Value=".method public hidebysig instance bool IsDefault(class Xamarin.Forms.BindableProperty targetProperty) cil managed" />
-      <MemberType>Method</MemberType>
-      <AssemblyInfo>
-        <AssemblyVersion>2.0.0.0</AssemblyVersion>
-      </AssemblyInfo>
-      <ReturnValue>
-        <ReturnType>System.Boolean</ReturnType>
-      </ReturnValue>
-      <Parameters>
-        <Parameter Name="targetProperty" Type="Xamarin.Forms.BindableProperty" />
-      </Parameters>
-      <Docs>
-        <param name="targetProperty">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
-        <remarks>To be added.</remarks>
-      </Docs>
-    </Member>
-    <Member MemberName="IsSet">
-      <MemberSignature Language="C#" Value="public bool IsSet (Xamarin.Forms.BindableProperty targetProperty);" />
-      <MemberSignature Language="ILAsm" Value=".method public hidebysig instance bool IsSet(class Xamarin.Forms.BindableProperty targetProperty) cil managed" />
-      <MemberType>Method</MemberType>
-      <AssemblyInfo>
-        <AssemblyVersion>2.0.0.0</AssemblyVersion>
-      </AssemblyInfo>
-      <ReturnValue>
-        <ReturnType>System.Boolean</ReturnType>
-      </ReturnValue>
-      <Parameters>
-        <Parameter Name="targetProperty" Type="Xamarin.Forms.BindableProperty" />
-      </Parameters>
-      <Docs>
-        <param name="targetProperty">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
-        <remarks>To be added.</remarks>
-      </Docs>
-    </Member>
     <Member MemberName="OnBindingContextChanged">
       <MemberSignature Language="C#" Value="protected virtual void OnBindingContextChanged ();" />
       <MemberSignature Language="ILAsm" Value=".method familyhidebysig newslot virtual instance void OnBindingContextChanged() cil managed" />