Remove real-overseer 🎉 (#2834)

* remove real-overseer

* overseer: only activate leaves which support parachains

* integrate HeadSupportsParachains into service

* remove unneeded line

polkadot/scripts/adder-collator.sh

@@ -31,11 +31,11 @@ adder_collator="target/release/adder-collator"
 
 # ensure the polkadot binary exists and is up to date
 if [ ! -x "$polkadot" ] || [ "$polkadot" -ot "$last_modified_rust_file" ]; then
-  cargo build --release --features real-overseer
+  cargo build --release
 fi
 # likewise for the adder collator
 if [ ! -x "$adder_collator" ] || [ "$adder_collator" -ot "$last_modified_rust_file" ]; then
-  cargo build --release --features real-overseer -p test-parachain-adder-collator
+  cargo build --release -p test-parachain-adder-collator
 fi
 
 genesis="$(mktemp --directory)"

polkadot/scripts/gitlab/test_linux_stable.sh

@@ -4,7 +4,4 @@ set -e
 #shellcheck source=../common/lib.sh
 source "$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )/../common/lib.sh"
 
-time cargo test --all --release --verbose --locked --features=runtime-benchmarks --features=real-overseer
-
-cd parachain/test-parachains/adder/collator/
-time cargo test --release --verbose --locked --features=real-overseer
+time cargo test --all --release --verbose --locked --features=runtime-benchmarks

polkadot/scripts/two-node-local-net.sh

@@ -27,7 +27,7 @@ polkadot="target/release/polkadot"
 
 # ensure the polkadot binary exists and is up to date
 if [ ! -x "$polkadot" ] || [ "$polkadot" -ot "$last_modified_rust_file" ]; then
-  cargo build --release --features real-overseer
+  cargo build --release
 fi
 
 # setup variables