deps: remove polkadot-sdk umbrella crate (#1926)

* deps: get rid of polkadot-sdk umbrella crate

* fix nits

* Update subxt/src/backend/mod.rs

* Update subxt/src/events/events_client.rs

* Update metadata/src/utils/validation.rs

* cargo clippy fix

* fix ui tests

testing/integration-tests/Cargo.toml

@@ -34,7 +34,7 @@ hex = { workspace = true }
 regex = { workspace = true }
 serde = { workspace = true }
 scale-info = { workspace = true, features = ["bit-vec"] }
-polkadot-sdk = { workspace = true, features = ["sp-core", "std"] }
+sp-core = { workspace = true, features = ["std"] }
 syn = { workspace = true }
 subxt = { workspace = true, features = ["unstable-metadata", "native", "jsonrpsee", "reconnecting-rpc-client"] }
 subxt-signer = { workspace = true, features = ["default"] }

testing/integration-tests/src/full_client/storage/mod.rs

@@ -3,7 +3,6 @@
 // see LICENSE for license details.
 
 use crate::{node_runtime, subxt_test, test_context, utils::wait_for_blocks};
-use polkadot_sdk::sp_core;
 
 #[cfg(fullclient)]
 use subxt::utils::AccountId32;

testing/ui-tests/src/incorrect/substitute_at_wrong_path.stderr

@@ -55,8 +55,7 @@ error: Type `Event` does not exist at path `sp_runtime::multiaddress::Event`
 2 | |     runtime_metadata_path = "../../../../artifacts/polkadot_metadata_small.scale",
 3 | |     substitute_type(
 4 | |         path = "sp_runtime::multiaddress::Event",
-5 | |         with = "crate::MyEvent"
-6 | |     )
+... |
 7 | | )]
   | |__^
   |

testing/ui-tests/src/incorrect/substitute_path_not_absolute.stderr

@@ -7,8 +7,7 @@ error: Type `DispatchInfo` does not exist at path `frame_support::dispatch::Disp
 2 | |     runtime_metadata_path = "../../../../artifacts/polkadot_metadata_small.scale",
 3 | |     substitute_type(
 4 | |         path = "frame_support::dispatch::DispatchInfo",
-5 | |         with = "my_mod::DispatchInfo"
-6 | |     )
+... |
 7 | | )]
   | |__^
   |