Remove PowerToys installer path from PATH to prevent some other apps crashe (#43157)

<!-- Enter a brief description/summary of your PR here. What does it
fix/what does it change/how was it tested (even manually, if necessary)?
-->
## Summary of the Pull Request
To support DSCv3, we previously added the PowerToys installer path to
the environment PATH. However, this change may cause some other
applications to crash.

This PR removes the installer path temporarily until we find a better
way to support DSCv3.

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## PR Checklist

- [x] Closes: #42919
- [ ] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

<!-- Provide a more detailed description of the PR, other things fixed,
or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments

<!-- Describe how you validated the behavior. Add automated tests
wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed

installer/PowerToysSetupVNext/Core.wxs

@@ -9,25 +9,6 @@
           <RegistryValue Type="string" Name="InstallScope" Value="$(var.InstallScope)" />
         </RegistryKey>
       </Component>
-      <?if $(var.PerUser) = "true" ?>
-      <Component Id="powertoys_env_path_user" Bitness="always64">
-        <!-- Anchor registry for component key path -->
-        <RegistryKey Root="$(var.RegistryScope)" Key="Software\Classes\powertoys\components">
-          <RegistryValue Type="string" Name="powertoys_env_path_user" Value="" KeyPath="yes" />
-        </RegistryKey>
-        <!-- Append install folder to current user's PATH -->
-        <Environment Id="AddPowerToysToUserPath" Name="PATH" Action="set" Part="last" System="no" Value="[INSTALLFOLDER]" />
-      </Component>
-      <?else?>
-      <Component Id="powertoys_env_path_machine" Bitness="always64">
-        <!-- Anchor registry for component key path -->
-        <RegistryKey Root="$(var.RegistryScope)" Key="Software\Classes\powertoys\components">
-          <RegistryValue Type="string" Name="powertoys_env_path_machine" Value="" KeyPath="yes" />
-        </RegistryKey>
-        <!-- Append install folder to machine PATH -->
-        <Environment Id="AddPowerToysToMachinePath" Name="PATH" Action="set" Part="last" System="yes" Value="[INSTALLFOLDER]" />
-      </Component>
-      <?endif?>
       <Component Id="powertoys_toast_clsid" Bitness="always64">
         <RemoveFolder Id="Remove_powertoys_toast_clsid" On="uninstall" />
         <RegistryKey Root="$(var.RegistryScope)" Key="Software\Classes\CLSID\{DD5CACDA-7C2E-4997-A62A-04A597B58F76}">
@@ -128,11 +109,6 @@
       <ComponentRef Id="powertoys_exe" />
       <ComponentRef Id="PowerToysStartMenuShortcut" />
       <ComponentRef Id="powertoys_per_machine_comp" />
-  <?if $(var.PerUser) = "true" ?>
-  <ComponentRef Id="powertoys_env_path_user" />
-  <?else?>
-  <ComponentRef Id="powertoys_env_path_machine" />
-  <?endif?>
       <ComponentRef Id="powertoys_toast_clsid" />
       <ComponentRef Id="License_rtf" />
       <ComponentRef Id="Notice_md" />