message: Remove obsolete where clauses
diff: @@ -125,8 +125,6 @@ impl<S: Storage, Q: Querier> Env<S, Q> {
  callback: Callback,
  ) -> VmResult<CallbackData>
  where
  - S: Storage,
  - Q: Querier,
  Callback: FnOnce(&Function) -> VmResult<CallbackData>,
  {
  self.with_context_data_mut(|context_data| match context_data.wasmer_instance {
  @@ -142,8 +140,6 @@ impl<S: Storage, Q: Querier> Env<S, Q> {
  pub fn with_storage_from_context<F, T>(&mut self, func: F) -> VmResult<T>
  where
  - S: Storage,
  - Q: Querier,
  F: FnOnce(&mut S) -> VmResult<T>,
  {
  self.with_context_data_mut(|context_data| match context_data.storage.as_mut() {
  @@ -154,8 +150,6 @@ impl<S: Storage, Q: Querier> Env<S, Q> {
  pub fn with_querier_from_context<F, T>(&mut self, func: F) -> VmResult<T>
  where
  - S: Storage,
  - Q: Querier,
  F: FnOnce(&mut Q) -> VmResult<T>,
  {
  self.with_context_data_mut(|context_data| match context_data.querier.as_mut() {
  