contrib: harfbuzz: Revert back to autotools

Their CMakeLists.txt uses an agglomerated build, which requires us to
enable big-obj support. However, on older version of binutils, this will
cause objcopy to crash when extracting debug symbols
13 jobs for !4 with use_autotools_for_harfbuzz in 44 minutes and 2 seconds (queued for 1 second)
merge request