Change current README edit to be more out of band

[timsehn]

I was not a fan of the wording of the previous edit but thought the intent was good.

[fulghum]

Looks good! Makes this section a little easier to digest.

[github-actions]

@coffeegoddd DOLT

test_name	detail	row_cnt	sorted	mysql_time	sql_mult	cli_mult
batching	LOAD DATA	10000	1	0.08	0.88
batching	batch sql	10000	1	0.13	1.62
batching	by line sql	10000	1	0.12	1.75
blob	1 blob	200000	1	1.35	3.33	3.61
blob	2 blobs	200000	1	1.34	4.43	4.82
blob	no blob	200000	1	1.37	1.54	1.69
col type	datetime	200000	1	1.25	1.98	2.03
col type	varchar	200000	1	0.97	2.56	2.7
config width	2 cols	200000	1	1.14	1.61	1.61
config width	32 cols	200000	1	2.73	1.75	2.54
config width	8 cols	200000	1	1.42	1.72	1.94
pk type	float	200000	1	1.34	1.37	1.38
pk type	int	200000	1	1.13	1.75	1.6
pk type	varchar	200000	1	2.18	1.83	2.04
row count	1.6mm	1600000	1	8.61	1.72	1.73
row count	400k	400000	1	2.24	1.68	1.65
row count	800k	800000	1	4.32	1.73	1.76
secondary index	four index	200000	1	5.79	1.41	1.39
secondary index	no secondary	200000	1	1.38	1.45	1.64
secondary index	one index	200000	1	1.74	1.63	1.72
secondary index	two index	200000	1	3.2	1.46	1.42
sorting	shuffled 1mm	1000000	0	8.15	1.78	1.75
sorting	sorted 1mm	1000000	1	8.52	1.72	1.72

[github-actions]

@coffeegoddd DOLT

name	mean	mean_mult
dolt_commit_ancestors_commit_filter	3.17	7.93
dolt_commits_commit_filter	2.68	6.54
dolt_diff_log_join_on_commit	43211.79	522.96
dolt_diff_table_commit_filter	53.2	85.81
dolt_history_commit_filter	21.48	34.65
dolt_diffs_commit_filter	23.5	54.65
dolt_log_commit_filter	4.35	10.61