Revert "[feature](merge-on-write) enable merge-on-write by default"

[yiguolei]

Reverts #27188

[yiguolei]

run buildall

[github-actions]

Thank you for your contribution to Apache Doris.

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[doris-robot]

TPC-H test result on machine: 'aliyun_ecs.c7a.8xlarge_32C64G'

Tpch sf100 test result on commit a79a127d95d1e1ad543838d5f97caf397d260649, data reload: false

run tpch-sf100 query with default conf and session variables
q1	4721	4476	4498	4476
q2	364	151	156	151
q3	1474	1288	1224	1224
q4	1124	925	959	925
q5	3187	3169	3203	3169
q6	252	129	128	128
q7	1006	513	498	498
q8	2218	2174	2206	2174
q9	6735	6652	6685	6652
q10	3191	3251	3262	3251
q11	323	203	196	196
q12	353	213	214	213
q13	4570	3815	3835	3815
q14	240	214	218	214
q15	558	527	519	519
q16	449	387	388	387
q17	1018	593	629	593
q18	7744	7811	7075	7075
q19	1535	1387	1398	1387
q20	2182	318	539	318
q21	3176	2701	2709	2701
q22	381	291	299	291
Total cold run time: 46801 ms
Total hot run time: 40357 ms

run tpch-sf100 query with default conf and set session variable runtime_filter_mode=off
q1	4449	4417	4424	4417
q2	266	168	171	168
q3	3557	3541	3546	3541
q4	2385	2370	2372	2370
q5	5734	5755	5730	5730
q6	239	119	125	119
q7	2379	1860	1829	1829
q8	3527	3550	3539	3539
q9	9138	9002	9053	9002
q10	3923	3979	3990	3979
q11	503	374	379	374
q12	768	600	602	600
q13	4300	3544	3576	3544
q14	285	266	251	251
q15	565	516	515	515
q16	504	452	460	452
q17	1877	1833	1856	1833
q18	9503	8245	8314	8245
q19	1719	1742	1786	1742
q20	2263	1948	1961	1948
q21	6463	6194	6136	6136
q22	498	437	443	437
Total cold run time: 64845 ms
Total hot run time: 60771 ms

[doris-robot]

(From new machine)TeamCity pipeline, clickbench performance test result:
the sum of best hot time: 44.76 seconds
stream load tsv: 578 seconds loaded 74807831229 Bytes, about 123 MB/s
stream load json: 19 seconds loaded 2358488459 Bytes, about 118 MB/s
stream load orc: 65 seconds loaded 1101869774 Bytes, about 16 MB/s
stream load parquet: 32 seconds loaded 861443392 Bytes, about 25 MB/s
insert into select: 28.8 seconds inserted 10000000 Rows, about 347K ops/s
storage size: 17194161235 Bytes

[github-actions]

PR approved by anyone and no changes requested.

[xinyiZzz]

LGTM

[github-actions]

PR approved by at least one committer and no changes requested.