Both spellings are considered correct and acceptable, with adapter being
more common in American English. Given that DAP stands for Debug Adapter
Protocol (with an e) let's go with that as the canonical spelling.
This commit cleans up the includes in the `lldb-dap` subfolder. The main
motivation was that I got annoyed by `clangd` always complaining about
unused includes while working on lldb-dap.
Rename lldb-vscode to lldb-dap. This change is largely mechanical. The
following substitutions cover the majority of the changes in this
commit:
s/VSCODE/DAP/
s/VSCode/DAP/
s/vscode/dap/
s/g_vsc/g_dap/
Discourse RFC:
https://discourse.llvm.org/t/rfc-rename-lldb-vscode-to-lldb-dap/74075/