Revert "Use conservative, type-based qualifcation for statics"

This reverts commit ac7a343cef8287427a98b9210cdb1a772486be10.

src/librustc_mir/transform/check_consts/qualifs.rs

@@ -34,8 +34,9 @@ pub trait Qualif {
     /// of the type.
     fn in_any_value_of_ty(_cx: &ConstCx<'_, 'tcx>, _ty: Ty<'tcx>) -> bool;
 
-    fn in_static(cx: &ConstCx<'_, 'tcx>, statik: &Static<'tcx>) -> bool {
-        Self::in_any_value_of_ty(cx, statik.ty)
+    fn in_static(_cx: &ConstCx<'_, 'tcx>, _static: &Static<'tcx>) -> bool {
+        // FIXME(eddyb) should we do anything here for value properties?
+        false
     }
 
     fn in_projection_structurally(