Fix openssl not compiling on Windows

The powershell variable was set to output ps1 files
Need to check if that still works with all the
current changes. Or if I need another way of
determining the extension to use.

Contributes to CURA-9365

profiles/cura.jinja

@@ -15,4 +15,3 @@ compiler.cppstd=17
 [env]
 
 [conf]
-{% if platform.system() == 'Windows' %}tools.env.virtualenv:powershell=True{% endif %}

profiles/cura_build.jinja

@@ -15,5 +15,3 @@ compiler.cppstd=17
 [env]
 
 [conf]
-{% if platform.system() == 'Windows' %}tools.env.virtualenv:powershell=True{% endif %}
-{% if compiler == 'Visual Studio' %}tools.microsoft.msbuild:vs_version=compiler.version{% endif %}