Fix [[deprecated]] in code

[kuvaldini]

git grep -n '\[\[deprecated\]\]'

irohad/model/model_crypto_provider.hpp:17:     * [[deprecated]] Use irohad/crypto_provider with shared_model instead this
irohad/model/model_crypto_provider.hpp:27:       * [[deprecated]] Use irohad/crypto_provider with shared_model instead
irohad/model/model_crypto_provider.hpp:36:       * [[deprecated]] Use irohad/crypto_provider with shared_model instead
irohad/model/model_crypto_provider.hpp:45:       * [[deprecated]] Use irohad/crypto_provider with shared_model instead
irohad/model/model_crypto_provider.hpp:54:       * [[deprecated]] Use irohad/crypto_provider with shared_model instead
irohad/model/model_crypto_provider.hpp:62:       * [[deprecated]] Use irohad/crypto_provider with shared_model instead
irohad/model/model_crypto_provider.hpp:70:       * [[deprecated]] Use irohad/crypto_provider with shared_model instead
irohad/model/model_crypto_provider_impl.hpp:15:    /** [[deprecated]] Use irohad/crypto_provider with shared_model instead this
irohad/model/model_crypto_provider_impl.hpp:21:       * [[deprecated]] Use irohad/crypto_provider with shared_model instead
irohad/model/model_crypto_provider_impl.hpp:27:       * [[deprecated]] Use irohad/crypto_provider with shared_model instead
irohad/model/model_crypto_provider_impl.hpp:33:       * [[deprecated]] Use irohad/crypto_provider with shared_model instead
irohad/model/model_crypto_provider_impl.hpp:39:       * [[deprecated]] Use irohad/crypto_provider with shared_model instead
irohad/model/model_crypto_provider_impl.hpp:45:       * [[deprecated]] Use irohad/crypto_provider with shared_model instead
irohad/model/model_crypto_provider_impl.hpp:51:       * [[deprecated]] Use irohad/crypto_provider with shared_model instead
irohad/model/model_crypto_provider_impl.hpp:57:       * [[deprecated]] Use irohad/crypto_provider with shared_model instead
irohad/pending_txs_storage/pending_txs_storage.hpp:57:    [[deprecated]] virtual shared_model::interface::types::
libs/common/hexutils.hpp:84:  [[deprecated]] inline boost::optional<std::string> hexstringToBytestring(
shared_model/builders/protobuf/builder_templates/blocks_query_template.hpp:32:    class [[deprecated]] TemplateBlocksQueryBuilder {
shared_model/builders/protobuf/builder_templates/query_template.hpp:39:    class [[deprecated]] TemplateQueryBuilder {
shared_model/builders/protobuf/builder_templates/transaction_template.hpp:38:    class [[deprecated]] TemplateTransactionBuilder {
shared_model/builders/protobuf/transaction_sequence_builder.hpp:22:    class [[deprecated]] TransportBuilder<interface::TransactionSequence, SV> {
shared_model/builders/protobuf/transport_builder.hpp:22:    class [[deprecated]] TransportBuilder {
shared_model/builders/protobuf/unsigned_proto.hpp:25:    class [[deprecated]] UnsignedWrapper {
test/module/shared_model/builders/protobuf/builder_templates/block_template.hpp:34:    class [[deprecated]] TemplateBlockBuilder {
test/module/shared_model/builders/protobuf/builder_templates/proposal_template.hpp:26:    class [[deprecated]] TemplateProposalBuilder {

[kuvaldini]

@kamilsa, @iceseer
I do not think it is minor issue. I believe some day, soon day, we will add -Werror -Wextra -Wall.
We have very-very long build listings with [[deprecated]] message.
Let's plan refactoring or just undeprecate abandoned but stable classes and methods.