meta.tests: drop meta.needsVMSupport

Its job is already handled by `requiredSystemFeatures`

doc/meta.xml

@@ -258,9 +258,8 @@ meta.platforms = stdenv.lib.platforms.linux;
      <para>
       An attribute set with as values tests. A test is a derivation, which
       builds successfully when the test passes, and fails to build otherwise. A
-      derivation that is a test requires some <literal>meta</literal> elements
-      to be defined: <literal>needsVMSupport</literal> (automatically filled-in
-      for NixOS tests) and <literal>timeout</literal>.
+      derivation that is a test needs to have <literal>meta.timeout</literal>
+      defined.
      </para>
      <para>
       The NixOS tests are available as <literal>nixosTests</literal> in
@@ -294,17 +293,6 @@ meta.platforms = stdenv.lib.platforms.linux;
      </para>
     </listitem>
    </varlistentry>
-   <varlistentry>
-    <term>
-     <varname>needsVMSupport</varname>
-    </term>
-    <listitem>
-     <para>
-      A boolan that states whether the derivation requires build-time support
-      for Virtual Machine to build successfully.
-     </para>
-    </listitem>
-   </varlistentry>
    <varlistentry>
     <term>
      <varname>hydraPlatforms</varname>

nixos/lib/testing.nix

@@ -70,8 +70,6 @@ in rec {
             mv $i $out/coverage-data/$(dirname $(dirname $i))
           done
         '';
-
-        meta.needsVMSupport = true;
     };
 
 

pkgs/stdenv/generic/check-meta.nix

@@ -170,12 +170,10 @@ let
       name = "test";
       check = x: x == {} || ( # Accept {} for tests that are unsupported
         isDerivation x &&
-        x ? meta.timeout &&
-        x ? meta.needsVMSupport
+        x ? meta.timeout
       );
       merge = lib.options.mergeOneOption;
     });
-    needsVMSupport = bool;
     timeout = int;
 
     # Weirder stuff that doesn't appear in the documentation?