revert change to max_block_range validation

Author: 0xNeshi

src/block_range_scanner.rs

@@ -166,9 +166,6 @@ impl BlockRangeScanner {
         self,
         provider: impl IntoRobustProvider<N>,
     ) -> Result<ConnectedBlockRangeScanner<N>, ScannerError> {
-        if self.max_block_range == 0 {
-            return Err(ScannerError::InvalidMaxBlockRange);
-        }
         let provider = provider.into_robust_provider().await?;
         Ok(ConnectedBlockRangeScanner {
             provider,

src/event_scanner/scanner/mod.rs

@@ -465,6 +465,9 @@ impl<M> EventScannerBuilder<M> {
         self,
         provider: impl IntoRobustProvider<N>,
     ) -> Result<EventScanner<M, N>, ScannerError> {
+        if self.block_range_scanner.max_block_range == 0 {
+            return Err(ScannerError::InvalidMaxBlockRange);
+        }
         let block_range_scanner = self.block_range_scanner.connect::<N>(provider).await?;
         Ok(EventScanner { config: self.config, block_range_scanner, listeners: Vec::new() })
     }

src/robust_provider/builder.rs

@@ -46,7 +46,6 @@ impl<N: Network, P: IntoRootProvider<N>> Debug for RobustProviderBuilder<N, P> {
             .field("max_retries", &self.max_retries)
             .field("min_delay", &self.min_delay)
             .field("reconnect_interval", &self.reconnect_interval)
-            .field("subscription_buffer_capacity", &self.subscription_buffer_capacity)
             .finish()
     }
 }