move gotd fork into repo. (#111)

- update to latest telegram layer
- remove some references to fields in tg.Entities that don't exist in
the schema
- originally added here:
https://github.com/beeper/td/commit/820929062a2ba0104397bc01235ab58a9cff780e
  - referenced here
-
https://github.com/mautrix/telegramgo/commit/124f0967ed195b5a380c9bd02e170ada9710dde3
-
https://github.com/mautrix/telegramgo/commit/4205047aab2e0639217148b5d125bfaab668bd8e

pkg/gotd/telegram/query/internal/genutil/print.go

@@ -0,0 +1,10 @@
+package genutil
+
+import "go/types"
+
+// PrintType prints typename into string without package name.
+func PrintType(typ types.Type) string {
+	return types.TypeString(typ, func(i *types.Package) string {
+		return i.Name()
+	})
+}