Remove grant-users-access.nsh script from Windows installer packaging

- Deleted the `grant-users-access.nsh` script as user access permissions are now managed directly within the installer, streamlining the installation process for standard users.

packaging/windows/grant-users-access.nsh

@@ -1,31 +0,0 @@
-; Grant standard (non-admin) users read/execute on the install tree.
-; Elevated installs into Program Files often create admin-only ACLs, which
-; breaks launcher.exe and deeplink handling for normal users.
-!macro grantUsersInstallAccess
-  Push $0
-  Push $1
-  DetailPrint "Granting standard users read and execute access to $INSTDIR"
-  StrCpy $1 "$INSTDIR"
-  InitPluginsDir
-  FileOpen $0 "$PLUGINSDIR\grant-access.ps1" w
-  FileWrite $0 '$$path = "'
-  FileWrite $0 $1
-  FileWrite $0 '"$\r$\n'
-  FileWrite $0 '$$icacls = Join-Path $$env:SystemRoot "System32\icacls.exe"$\r$\n'
-  FileWrite $0 'function Invoke-Icacls {$\r$\n'
-  FileWrite $0 '  param([string[]]$$Arguments)$\r$\n'
-  FileWrite $0 '  $$proc = Start-Process -FilePath $$icacls -ArgumentList $$Arguments -Wait -PassThru -NoNewWindow$\r$\n'
-  FileWrite $0 '  Write-Host ("icacls " + ($$Arguments -join " ") + " -> " + $$proc.ExitCode)$\r$\n'
-  FileWrite $0 '}$\r$\n'
-  FileWrite $0 'Invoke-Icacls @($$path, "/reset", "/T", "/C")$\r$\n'
-  FileWrite $0 'Invoke-Icacls @($$path, "/inheritance:e", "/T", "/C")$\r$\n'
-  FileWrite $0 'Invoke-Icacls @($$path, "/grant", "BUILTIN\Users:(OI)(CI)RX", "/T", "/C")$\r$\n'
-  FileWrite $0 'Invoke-Icacls @($$path, "/grant", "NT AUTHORITY\Authenticated Users:(OI)(CI)RX", "/T", "/C")$\r$\n'
-  FileWrite $0 'Invoke-Icacls @($$path, "/grant", "ALL APPLICATION PACKAGES:(OI)(CI)RX", "/T", "/C")$\r$\n'
-  FileClose $0
-  ExecWait '"$SYSDIR\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File "$PLUGINSDIR\grant-access.ps1"' $0
-  DetailPrint "Granted Users read/execute (exit code: $0)"
-  Delete "$PLUGINSDIR\grant-access.ps1"
-  Pop $1
-  Pop $0
-!macroend