rm proposal handler #1090

Job	Run time
e2e-docker-build-e2e-init-chain	2m 38s
e2e-docker-build-babylon	2m 36s
docker_pipeline / prepare-metadata	1s
lint_test / lint	2m 13s
lint_test / unit-tests	5m 14s
lint_test / build	0s
lint_test / check-mock-gen	0s
lint_test / gosec	0s
lint_test / integration-tests	0s
docker_pipeline / docker_build (linux/amd64, ubuntu-24.04)	2m 59s
docker_pipeline / docker_build (linux/arm64, ubuntu-24.04-arm64)	2m 48s
e2e-run-ibc-transfer	4m 22s
e2e-run-btc-staking-pre-approval	4m 49s
e2e-run-btc-timestamping	4m 36s
e2e-run-btc-staking	5m 4s
e2e-run-upgrade-v1	3m 49s
docker_pipeline / merge_dockerhub	0s
docker_pipeline / merge_ecr	0s
	41m 9s

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