treewide: Drop support for libsoup2

Chatty has long moved on.

added 2 commits

• bc8828fb - ci: Drop libsoup2 build
• c5336ab0 - treewide: Drop support for libsoup2

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added 5 commits

• 8a06a274 - client: Use g_object_unref()
• 3dd41890 - treewide: Be more careful with one bit wide fields
• d7dcbcde - ci: Drop libsoup2 build
• c82fa869 - treewide: Drop support for libsoup2
• 74f2b481 - treewide: Remove unused variables

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v2

• The doc build still refert to libsoup-2.4 so I fixed that as well
• drop unused variables and some other minor cleanups spotted by clang

added 5 commits

• a6320ad0 - client: Use g_object_unref()
• 7e2440a7 - treewide: Be more careful with one bit wide fields
• 8f0941c2 - ci: Drop libsoup2 build
• 84b6520f - treewide: Drop support for libsoup2
• c0349aca - treewide: Remove unused variables

Compare with previous version

added 9 commits

• c0349aca...a14ef5ec - 4 commits from branch Librem5:main
• a558cf42 - client: Use g_object_unref()
• 1edccd50 - treewide: Be more careful with one bit wide fields
• 578c3461 - ci: Drop libsoup2 build
• 365aaf1f - treewide: Drop support for libsoup2
• 91ae031b - treewide: Remove unused variables

Compare with previous version

enabled an automatic merge when the pipeline for 91ae031b succeeds

merged