set right ylim of scaling factor to 9 and not 10 so that both sides have the same amount of spacing

benchmarks/benchmark-plotters/plot-perf-peakthroughput-bar.py

@@ -152,7 +152,7 @@ if __name__ == "__main__":
     fig = sns.lineplot(x=x_dsacount, y=y_scaling, data=scaling_df, marker='o', linestyle='-', color='b', markersize=8)
     plt.xticks([1,2,4,8])
     plt.yticks([0.25,0.5,0.75,1.0])
-    plt.xlim(0,10)
+    plt.xlim(0,9)
     plt.ylim(0.2,1.05)
     plt.savefig(os.path.join(output_path, f"plot-dsa-throughput-scaling.pdf"), bbox_inches='tight')