Deleting Empty Sections shouldn't require confirmation

[hfmm99]

Steps to Reproduce

1. Trying to delete empty sections

Expected Behavior

Delete without asking confirmation

Actual Behavior

Always ask for confirmation making the process slower

Environment

Xamarin Workbooks

Detail	Value
Version	1.5.0
Git Branch	1.5-release
Git Hash	11f83dc
VSTS Definition	Workbooks & Inspector (Win)

System Info

Component	Value
Windows	Microsoft Windows NT 10.0.16299.0 (64-bit)
CPU Cores	4
Physical Memory	16 GB

VisualStudio.15.Release Components

Component	Version
Visual Studio Professional 2017	15.9.11+28307.586

VisualStudio.15.Release Components

Component	Version
Visual Studio Community 2017	15.9.11+28307.586

VisualStudio.16.Preview Components

Component	Version
Visual Studio Community 2019	16.1.0-pre.2.0+28822.285

Log File