[fix] Set BLOCK_CACHE_SIZE to 1 in epoch manager for no_cache feature (…

…#12338)

Auto fixed issue #5080

chain/epoch-manager/src/lib.rs

@@ -60,7 +60,7 @@ mod validator_selection;
 mod validator_stats;
 
 const EPOCH_CACHE_SIZE: usize = if cfg!(feature = "no_cache") { 1 } else { 50 };
-const BLOCK_CACHE_SIZE: usize = if cfg!(feature = "no_cache") { 5 } else { 1000 }; // TODO(#5080): fix this
+const BLOCK_CACHE_SIZE: usize = if cfg!(feature = "no_cache") { 1 } else { 1000 };
 const AGGREGATOR_SAVE_PERIOD: u64 = 1000;
 
 /// In the current architecture, various components have access to the same