typos (#3782)

Signed-off-by: Sally MacFarlane <sally.macfarlane@consensys.net>

ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/sync/SynchronizerConfiguration.java

@@ -147,7 +147,7 @@ public class SynchronizerConfiguration {
    * The range of block numbers (relative to the current chain head and the best network block) that
    * are considered appropriate to import as new blocks are announced on the network.
    *
-   * @return the range of blocks considered valid to import from the network, relative to the the
+   * @return the range of blocks considered valid to import from the network, relative to the
    *     current chain head.
    */
   public Range<Long> getBlockPropagationRange() {

metrics/core/src/main/java/org/hyperledger/besu/metrics/prometheus/MetricsPushGatewayService.java

@@ -86,7 +86,7 @@ public class MetricsPushGatewayService implements MetricsService {
       try {
         pushGateway.delete(config.getPrometheusJob());
       } catch (final Exception e) {
-        LOG.error("Could not clean up results on the  Prometheus Push Gateway.", e);
+        LOG.error("Could not clean up results on the Prometheus Push Gateway.", e);
         // Do not complete exceptionally, the gateway may be down and failures
         // here cause the shutdown to loop.  Failure is acceptable.
       }