chore: remove unused orm module (#23633)

(cherry picked from commit d7f101e)

# Conflicts:
#	orm/CHANGELOG.md
#	orm/README.md
#	orm/encoding/encodeutil/util.go
#	orm/encoding/ormfield/bool.go
#	orm/encoding/ormfield/codec_test.go
#	orm/encoding/ormfield/duration.go
#	orm/encoding/ormfield/duration_test.go
#	orm/encoding/ormfield/enum.go
#	orm/encoding/ormfield/int32.go
#	orm/encoding/ormfield/int64.go
#	orm/encoding/ormfield/string.go
#	orm/encoding/ormfield/timestamp.go
#	orm/encoding/ormfield/timestamp_test.go
#	orm/encoding/ormfield/uint32.go
#	orm/encoding/ormfield/uint64.go
#	orm/encoding/ormkv/index_key.go
#	orm/encoding/ormkv/key_codec.go
#	orm/encoding/ormkv/primary_key.go
#	orm/encoding/ormkv/unique_key.go
#	orm/encoding/ormkv/unique_key_test.go
#	orm/go.mod
#	orm/go.sum
#	orm/internal/codegen/file.go
#	orm/internal/codegen/index.go
#	orm/internal/codegen/query.go
#	orm/internal/listinternal/options.go
#	orm/internal/testkv/compare.go
#	orm/internal/testkv/debug.go
#	orm/internal/testkv/leveldb.go
#	orm/internal/testkv/mem.go
#	orm/model/ormdb/genesis.go
#	orm/model/ormdb/module.go
#	orm/model/ormdb/module_test.go
#	orm/model/ormtable/auto_increment_test.go
#	orm/model/ormtable/backend.go
#	orm/model/ormtable/batch.go
#	orm/model/ormtable/bench_test.go
#	orm/model/ormtable/hooks.go
#	orm/model/ormtable/iterator.go
#	orm/model/ormtable/table_test.go
#	orm/orm.go
#	orm/sonar-project.properties
#	orm/testing/ormmocks/hooks.go
#	orm/testing/ormmocks/match.go
#	orm/types/kv/store.go
#	orm/types/ormerrors/errors.go