fix: remove the DisableSearchHistory and DisableSearchHighlights switches (#800)

Tests/FeatureParameterContracts.Tests.ps1

@@ -104,4 +104,28 @@ Describe 'FeatureId parameter contracts' {
 
         $missing | Should -HaveCount 0 -Because ($missing -join ', ')
     }
+
+    It 'accounts for every Win11Debloat.ps1 parameter as a FeatureId or a control parameter' {
+        $tokens = $null
+        $parseErrors = $null
+        $ast = [System.Management.Automation.Language.Parser]::ParseFile($script:Win11DebloatPath, [ref]$tokens, [ref]$parseErrors)
+        $parseErrors | Should -BeNullOrEmpty
+
+        $assignment = $ast.Find({
+            param($node)
+            $node -is [System.Management.Automation.Language.AssignmentStatementAst] -and $node.Left.Extent.Text -eq '$script:ControlParams'
+        }, $true)
+        $assignment | Should -Not -BeNullOrEmpty
+
+        $controlParameters = @(
+            $assignment.Right.FindAll({ param($node) $node -is [System.Management.Automation.Language.StringConstantExpressionAst] }, $true) |
+                ForEach-Object { $_.Value }
+        )
+        $unaccounted = @(
+            Get-ScriptParameterNames -Path $script:Win11DebloatPath |
+                Where-Object { $script:Features.FeatureId -notcontains $_ -and $controlParameters -notcontains $_ }
+        )
+
+        $unaccounted | Should -HaveCount 0 -Because ($unaccounted -join ', ')
+    }
 }