Remove types.Describe from asserts (#1691)

types/assert_type.go

@@ -8,7 +8,7 @@ import "github.com/attic-labs/noms/d"
 
 func assertSubtype(t *Type, v Value) {
 	if !isSubtype(t, v.Type()) {
-		d.Chk.Fail("Invalid type", "Expected: %s, found: %s", t.Describe(), v.Type().Describe())
+		d.Chk.Fail("Invalid type")
 	}
 }
 

types/ref.go

@@ -22,7 +22,7 @@ func NewRef(v Value) Ref {
 
 // Constructs a Ref directly from struct properties. This should not be used outside decoding and testing within the types package.
 func constructRef(t *Type, target hash.Hash, height uint64) Ref {
-	d.Chk.Equal(RefKind, t.Kind(), "Invalid type. Expected: RefKind, found: %s", t.Describe())
+	d.Chk.Equal(RefKind, t.Kind())
 	d.Chk.NotEqual(ValueType, t.Desc.(CompoundDesc).ElemTypes[0])
 	return Ref{target, height, t, &hash.Hash{}}
 }

types/value_encoder.go

@@ -50,7 +50,7 @@ func (w *valueEncoder) writeType(t *Type, parentStructTypes []*Type) {
 		panic("unreached")
 	default:
 		w.writeKind(k)
-		d.Chk.True(IsPrimitiveKind(k), "Kind: %v Desc: %s\n", t.Kind(), t.Describe())
+		d.Chk.True(IsPrimitiveKind(k))
 	}
 }