node: Remove the network-subgraphs command line option

Author: lutter

node/src/opt.rs

@@ -190,14 +190,6 @@ pub struct Opt {
         help = "Limits the number of connections in the store's connection pool"
     )]
     pub store_connection_pool_size: u32,
-    #[structopt(
-        long,
-        min_values = 1,
-        value_name = "NETWORK_NAME",
-        help = "One or more network names to index using built-in subgraphs \
-                (e.g. 'ethereum/mainnet')."
-    )]
-    pub network_subgraphs: Vec<String>,
     #[structopt(
         long,
         help = "Allows setting configurations that may result in incorrect Proofs of Indexing."