Remove AlertAggregation

Remove AlertAggregation, Will add aggregation into Alert down the road.

Tests/Public/Get-ZAAlertAggregation.Tests.ps1

@@ -1,19 +0,0 @@
-#Requires -Modules Pester
-$moduleFileName = "ZertoApiWrapper.psd1"
-$here = (Split-Path -Parent $MyInvocation.MyCommand.Path).Replace("Tests", "ZertoApiWrapper")
-$sut = (Split-Path -Leaf $MyInvocation.MyCommand.Path).Replace(".Tests.", ".")
-$file = Get-ChildItem "$here\$sut"
-$modulePath = $here -replace "Public", ""
-$moduleFile = Get-ChildItem "$modulePath\$moduleFileName"
-Get-Module -Name ZertoApiWrapper | Remove-Module -Force
-Import-Module $moduleFile -Force
-
-Describe $file.BaseName -Tag 'Unit' {
-
-    It "is valid Powershell (Has no script errors)" {
-        $contents = Get-Content -Path $file -ErrorAction Stop
-        $errors = $null
-        $null = [System.Management.Automation.PSParser]::Tokenize($contents, [ref]$errors)
-        $errors | Should -HaveCount 0
-    }
-}