This commit gets rid of ELF::Loader entirely since its very ambiguous
purpose was actually to load executables for the kernel, and that is
now handled by the kernel itself.
This patch includes some drive-by cleanup in LibDebug and CrashDaemon
enabled by the fact that we no longer need to keep the ref-counted
ELF::Loader around.
If the percentage is 100, we were trying to get the heat gradient pixel
at (100, 0), which was one pixel past the end. Fix this by making the
heat gradient 101 pixels wide :^)
* AK: Add formatter for JsonValue.
* Inspector: Use new format functions.
* Profiler: Use new format functions.
* UserspaceEmulator: Use new format functions.
From a layering perspective, it's maybe a bit surprising that the
X86::SymbolProvider implementation also lives in LibX86, but since
everything depends on LibELF via LibC, and since all current
LibX86-based disassemblers want to use ELFSymbolProvider, it makes
some amount of sense to put it there.
