docs: tidy Uninstall section

[marianogappa]

Reorder Uninstall data-folder commands Windows-first in a single code block and trim the section's prose.

[github-actions]

🔻 Coverage below the badge

make coverage reports 80.7% (hand-written code; generated code excluded), below the README badge of 81%.

Either add tests, or update the badge: scripts/update-readme-coverage.sh 80.7.

[github-actions]

📊 Ingestion benchmark (base → PR)

Corpus: internal/patterns/markers/testdata/replays · 3 samples · GitHub-hosted 2-core runner. Informational only — runner variance is ±10–20%, so a small delta is noise.

goos: linux
goarch: amd64
pkg: github.com/marianogappa/screpdb/internal/storage
cpu: AMD EPYC 7763 64-Core Processor                
                        │ bench-base.txt │       bench-current.txt        │
                        │     sec/op     │   sec/op     vs base           │
SQLiteIngestionCorpus-4      33.83 ± ∞ ¹   34.23 ± ∞ ¹  ~ (p=0.400 n=3) ²
¹ need >= 6 samples for confidence interval at level 0.95
² need >= 4 samples to detect a difference at alpha level 0.05

                        │ bench-base.txt │       bench-current.txt        │
                        │     s/cmds     │   s/cmds     vs base           │
SQLiteIngestionCorpus-4      26.31 ± ∞ ¹   26.65 ± ∞ ¹  ~ (p=0.100 n=3) ²
¹ need >= 6 samples for confidence interval at level 0.95
² need >= 4 samples to detect a difference at alpha level 0.05

                        │ bench-base.txt │        bench-current.txt        │
                        │    s/commit    │   s/commit    vs base           │
SQLiteIngestionCorpus-4     335.1m ± ∞ ¹   346.3m ± ∞ ¹  ~ (p=0.200 n=3) ²
¹ need >= 6 samples for confidence interval at level 0.95
² need >= 4 samples to detect a difference at alpha level 0.05

                        │ bench-base.txt │        bench-current.txt        │
                        │    s/events    │   s/events    vs base           │
SQLiteIngestionCorpus-4     127.6m ± ∞ ¹   125.5m ± ∞ ¹  ~ (p=0.700 n=3) ²
¹ need >= 6 samples for confidence interval at level 0.95
² need >= 4 samples to detect a difference at alpha level 0.05

                        │   bench-base.txt    │           bench-current.txt            │
                        │ s/ingest_166replays │ s/ingest_166replays  vs base           │
SQLiteIngestionCorpus-4           33.80 ± ∞ ¹           34.19 ± ∞ ¹  ~ (p=0.400 n=3) ²
¹ need >= 6 samples for confidence interval at level 0.95
² need >= 4 samples to detect a difference at alpha level 0.05

                        │ bench-base.txt │       bench-current.txt        │
                        │    s/parse     │   s/parse    vs base           │
SQLiteIngestionCorpus-4      5.022 ± ∞ ¹   5.104 ± ∞ ¹  ~ (p=0.400 n=3) ²
¹ need >= 6 samples for confidence interval at level 0.95
² need >= 4 samples to detect a difference at alpha level 0.05

                        │ bench-base.txt │        bench-current.txt        │
                        │   s/patterns   │  s/patterns   vs base           │
SQLiteIngestionCorpus-4     97.25m ± ∞ ¹   93.41m ± ∞ ¹  ~ (p=0.200 n=3) ²
¹ need >= 6 samples for confidence interval at level 0.95
² need >= 4 samples to detect a difference at alpha level 0.05

                        │ bench-base.txt │        bench-current.txt        │
                        │   s/players    │  s/players    vs base           │
SQLiteIngestionCorpus-4     48.89m ± ∞ ¹   48.81m ± ∞ ¹  ~ (p=1.000 n=3) ²
¹ need >= 6 samples for confidence interval at level 0.95
² need >= 4 samples to detect a difference at alpha level 0.05

                        │ bench-base.txt │        bench-current.txt        │
                        │    s/replay    │   s/replay    vs base           │
SQLiteIngestionCorpus-4     203.6m ± ∞ ¹   206.0m ± ∞ ¹  ~ (p=0.400 n=3) ²
¹ need >= 6 samples for confidence interval at level 0.95
² need >= 4 samples to detect a difference at alpha level 0.05

                        │ bench-base.txt │        bench-current.txt        │
                        │  s/replay_ins  │ s/replay_ins  vs base           │
SQLiteIngestionCorpus-4     33.58m ± ∞ ¹   33.64m ± ∞ ¹  ~ (p=0.700 n=3) ²
¹ need >= 6 samples for confidence interval at level 0.95
² need >= 4 samples to detect a difference at alpha level 0.05

                        │ bench-base.txt │        bench-current.txt         │
                        │      B/op      │     B/op       vs base           │
SQLiteIngestionCorpus-4    2.531Gi ± ∞ ¹   2.530Gi ± ∞ ¹  ~ (p=1.000 n=3) ²
¹ need >= 6 samples for confidence interval at level 0.95
² need >= 4 samples to detect a difference at alpha level 0.05

                        │ bench-base.txt │        bench-current.txt        │
                        │   allocs/op    │  allocs/op    vs base           │
SQLiteIngestionCorpus-4     22.34M ± ∞ ¹   22.34M ± ∞ ¹  ~ (p=1.000 n=3) ²
¹ need >= 6 samples for confidence interval at level 0.95
² need >= 4 samples to detect a difference at alpha level 0.05