Merge pull request #5731

ee93202 Changed pronouns for correctness and inclusivity (bikinibabe)
1fa89a5 fix _code_ snippet in gitian-building.md (UdjinM6)
34c6181 Fix README link from util.sh -> util.py. (Matt Bogosian)
faf0af4 Suggest --disable-wallet when libdb_cxx headers are missing (Luke Dashjr)
5a809ef depends: fix typos (Michael Ford)
bd2b73b TRIVIAL: fix misleading comment (Vitalii Demianets)
5262fde Remove whitespaces before double colon in errors and logs (Pavel Janík)
3800135 Fix typo (Pavel Janík)
91a9fe0 Fix typo - sentence starts with capital letter (Pavel Janík)
bfc29dc Improve gitian build guide (Michael Ford)
d6bed15 remove sig_canonical.json and sig_noncanonical.json (Manuel Araoz)
8673160 Remove bootstrap.md (Michael Ford)