build: remove unneeded dependency import

Signed-off-by: Joseph Livesey <[email protected]>

Author: suchapalaver

tap_integration_tests/Cargo.toml

@@ -17,7 +17,6 @@ anyhow.workspace = true
 jsonrpsee = { workspace = true, features = ["jsonrpsee-http-client"] }
 jsonrpsee-core.workspace = true
 rand.workspace = true
-thegraph-core.workspace = true
 tokio.workspace = true
 
 [dev-dependencies]