docs: wix doesn't need to be added to path (#16)

Author: ateoi

README.md

@@ -20,19 +20,6 @@ Start-Process `
     -Verb RunAs
 ```
 
-Update your path environment with `setx` (supposing you installed the tools in
-their default directories):
-
-```powershell
-setx PATH ($(Get-ItemProperty -Path HKCU:\Environment -Name Path).Path + "${env:ProgramFiles(x86)}\WiX Toolset v3.11\bin")
-```
-
-Check if `PATH` was set correctly:
-
-```
-Get-Command candle
-```
-
 ## Build
 
 Run the `Build-Installer.ps1` PowerShell script to build the installer.