Tracker: commits to revert before next upstream sync

[ARR4N]

PRs introducing changes also performed later in geth. Reverting their commits before merging the upstream branch will avoid conflicts.

1. refactor!(core/types): Block method WithBody(Body) signature #110 is 2e8e35f
2. chore!: remove memsize #155
3. chore: go@1.23 #156
4. chore: cherry-pick all to main #187 individual commits, as appropriate.
5. crypto/bn256/cloudflare: pull in upstream fix for R27 and R29 usage #191 (i.e. commit ab5ad25)
6. The cherry-picked commit of crypto/secp256k1: update libsecp256k1 (#31242) #194 (but not the required linter fix in the same PR).
7. crypto/kz4844: pass blobs by ref (#29050) #199
8. Cherry pick eip 7951 #214
9. chore: Go 1.24 #232