chore: remove GitHub stuff

Not needed any more, at least for now (given that I only added this for
my job at GitHub). If I end up working with stuff like Sorbet and Rails
and Codespaces in the future, I can resurrect or add new versions of
this.

* aspects/nvim/files/.config/nvim/pack/bundle/opt/vim-rails 8972461...0000000:

.gitattributes

@@ -7,8 +7,6 @@ aspects/dotfiles/files/.npmrc	diff=git-cipher	filter=git-cipher	merge=git-cipher
 aspects/dotfiles/files/.pypirc	diff=git-cipher	filter=git-cipher	merge=git-cipher
 aspects/dotfiles/files/.zsh/exports.private	diff=git-cipher	filter=git-cipher	merge=git-cipher
 aspects/dotfiles/files/.zsh/hash.private	diff=git-cipher	filter=git-cipher	merge=git-cipher
-aspects/dotfiles/files/.zsh/host/quevedo	diff=git-cipher	filter=git-cipher	merge=git-cipher
 aspects/ssh/files/.ssh/config.d/pre/latina	diff=git-cipher	filter=git-cipher	merge=git-cipher
-aspects/ssh/files/.ssh/config.d/pre/quevedo	diff=git-cipher	filter=git-cipher	merge=git-cipher
 aspects/ssh/files/.ssh/config.d/pre/retiro	diff=git-cipher	filter=git-cipher	merge=git-cipher
 aspects/ssh/templates/.ssh/config.erb	diff=git-cipher	filter=git-cipher	merge=git-cipher

.gitmodules

@@ -197,9 +197,6 @@
 [submodule "vim-projectionist"]
 	path = aspects/nvim/files/.config/nvim/pack/bundle/opt/vim-projectionist
 	url = https://github.com/tpope/vim-projectionist.git
-[submodule "vim-rails"]
-	path = aspects/nvim/files/.config/nvim/pack/bundle/opt/vim-rails
-	url = https://github.com/tpope/vim-rails.git
 [submodule "vim-reason-plus"]
 	ignore = dirty
 	path = aspects/nvim/files/.config/nvim/pack/bundle/opt/vim-reason-plus

README.md

@@ -140,8 +140,7 @@ If there are background processes, a yellow asterisk is shown:
 | Platform                               | Status                                                                                                                                            |
 | -------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- |
 | macOS                                  | :1st_place_medal: Currently the most tested platform, as well as the one with most aspects (because my daily driver is macOS 13 "Sonoma")         |
-| Debian(-ish) Linux                     | :2nd_place_medal: I use this heavily at work, but in the somewhat odd Codespaces VM environment, so there are some weird assumptions at play      |
-| Arch Linux                             | :3rd_place_medal: Less tested, fewer aspects involved, but likely to evolve in the future as I'm using Arch Linux on my "leisure" desktop machine |
+| Arch Linux                             | :2nd_place_medal: Less tested, fewer aspects involved, but likely to evolve in the future as I'm using Arch Linux on my "leisure" desktop machine |
 | Red Hat Linux and related (eg. CentOS) | :skull: Abandoned, but in the past (2011-2018) this was the distro I used full-time at work                                                       |
 
 ## Installation
@@ -195,7 +194,6 @@ At the time of writing, these are the aspects, which you can expect to change ov
   - **apt**: Installs packages using `apt-get`.
   - **aur**: Installs packages from the Arch User Repository.
   - **avahi**: Manages the Avahi zeroconf ("Bonjour") networking daemon.
-  - **codespaces**: Custom tweaks for GitHub Codespaces environments.
   - **interception**: Sets up Interceptions Tools (keyboard customization).
   - **locale**: Sets up /etc/locale.conf
   - **pacman**: Installs packages via the Pacman package manager

aspects/dotfiles/files/.zsh/bin/git-sync

@@ -6,10 +6,6 @@
 #   branches to match (and creating them if necessary).
 # - Iterates over local branches of the form "$USER/*" and moves any that no
 #   longer exist on the remote into the "attic/$USER/" namespace.
-#
-# The primary use case is to do all your "real work" off in Codespaces,
-# periodically pushing it the remote origin, but keep a local copy of a repo too
-# with a copy of all the branches.
 
 # Zsh black magic that does equivalent of $BASH_SOURCE, via:
 # https://stackoverflow.com/a/28336473/2103996