remove preview buid

Author: joviegas

test/http-client-benchmarks/src/main/java/software/amazon/awssdk/benchmark/apache5/Apache5Benchmark.java

@@ -50,7 +50,7 @@
 @BenchmarkMode(Mode.Throughput)
 @OutputTimeUnit(TimeUnit.SECONDS)
 @State(Scope.Benchmark)
-@Fork(value = 1, jvmArgs = {"-Xms2G", "-Xmx2G", "--enable-preview"})
+@Fork(value = 1, jvmArgs = {"-Xms2G", "-Xmx2G"})
 @Warmup(iterations = 3, time = 15, timeUnit = TimeUnit.SECONDS)
 @Measurement(iterations = 5, time = 10, timeUnit = TimeUnit.SECONDS)
 public class Apache5Benchmark implements CoreBenchmark {