remove electra feature flag in verifier #2037

Job	Run time
Integration Tests	1s
Integration Tests	1h 32m 45s
Check Workspace	1s
Check Workspace	22m 54s
Check Wasm Crates (gargantua-runtime)	1s
Check Wasm Crates (gargantua-runtime)	21m 32s
Unit Tests	1s
Unit Tests	28m 0s
Check Wasm Crates (nexus-runtime)	1s
Check Wasm Crates (nexus-runtime)	21m 40s
Check ismp-solidity	1s
Check ismp-solidity	48s
Hyperclient Integration Tests	1s
Hyperclient Integration Tests	6m 10s
	3h 13m 56s

Provide feedback