Examples and Testing: switch to use rococo node (#802)

* use westend-runtime

* it's compiling

* add missing file

* fix clippy

* fix kitchensink_runtime wasm file name

* fix tests

* fix examplex

* change default config to be the main config

* fix pallet balances test

* fix state_tests

* fix extrinsic events example

* remove acc identity example: Gets call filtered

* fix runtime upgrade examples

* fix get_storage and rename to rococo

* fix clippy

* fix runtime_api_tests

* cargo fmt

* fix author test

* update docu

* update README

* update README

* remove flipper.wasm

* add wasm building to the developer docs

* fix README

.github/workflows/ci.yml

@@ -208,11 +208,9 @@ jobs:
           compose_extrinsic,
           custom_nonce,
           check_extrinsic_events,
-          get_account_identity,
           get_blocks,
           get_storage,
           print_metadata,
-          staking_batch_payout,
           subscribe_events,
           sudo,
           new_json_rpc_api_calls,
@@ -225,7 +223,6 @@ jobs:
           jsonrpsee_tests,
           keystore_tests,
           pallet_balances_tests,
-          pallet_contract_tests,
           pallet_transaction_payment_tests,
           runtime_api_tests,
           tungstenite_client_test,
@@ -240,7 +237,7 @@ jobs:
 
       - name: Run latest node
         run: |
-          docker run -p 9944:9944 -p 9933:9933 -p 30333:30333 paritypr/substrate:master-178e699c --dev --rpc-external &
+          docker run -p 9944:9944 -p 9933:9933 -p 30333:30333 parity/polkadot:latest --dev --rpc-external &
 
       - name: Wait until node has started
         run: sleep 20s