docs: Deleted tests for functions that no longer exist

tests/Unit/Private/New-MergedObject.tests.ps1

@@ -1,27 +0,0 @@
-$ProjectPath = "$PSScriptRoot\..\..\.." | Convert-Path
-$ProjectName = ((Get-ChildItem -Path $ProjectPath\*\*.psd1).Where{
-        ($_.Directory.Name -match 'source|src' -or $_.Directory.Name -eq $_.BaseName) -and
-        $(try { Test-ModuleManifest $_.FullName -ErrorAction Stop } catch { $false } )
-    }).BaseName
-
-
-Import-Module $ProjectName
-
-InModuleScope $ProjectName {
-    Describe Get-PrivateFunction {
-        Context 'Default' {
-            BeforeEach {
-                $return = Get-PrivateFunction -PrivateData 'string'
-            }
-
-            It 'Returns a single object' {
-                ($return | Measure-Object).Count | Should -Be 1
-            }
-
-            It 'Returns a string based on the parameter PrivateData' {
-                $return | Should -Be 'string'
-            }
-        }
-    }
-}
-