gitignore: delete 90% of it

*laughs in meson putting it all in build/*

Change-Id: Ifcb0d3104cf9e64c4de91c3a92828899a209d00d

.gitignore

@@ -1,128 +1,5 @@
-Makefile.config
-perl/Makefile.config
-
-# /
-/aclocal.m4
-/autom4te.cache
-/precompiled-headers.h.gch
-/config.*
-/configure
-/stamp-h1
-/svn-revision
-/libtool
-/config
-
-# /doc/manual/
-/doc/manual/*.1
-/doc/manual/*.5
-/doc/manual/*.8
-/doc/manual/generated/*
-/doc/manual/nix.json
-/doc/manual/conf-file.json
-/doc/manual/language.json
-/doc/manual/xp-features.json
-/doc/manual/src/command-ref/experimental-features-shortlist.md
-/doc/manual/src/contributing/experimental-feature-descriptions.md
-/doc/manual/src/release-notes/rl-next-generated.md
-
-# /scripts/
-/scripts/nix-profile.sh
-/scripts/nix-profile-daemon.sh
-/scripts/nix-profile.fish
-/scripts/nix-profile-daemon.fish
-
-# /src/libexpr/
-/src/libexpr/lexer-tab.cc
-/src/libexpr/lexer-tab.hh
-/src/libexpr/parser-tab.cc
-/src/libexpr/parser-tab.hh
-/src/libexpr/parser-tab.output
-/src/libexpr/nix.tbl
-/src/libexpr/tests
-/tests/unit/libexpr/libnixexpr-tests
-
-# /src/libstore/
-*.gen.*
-/src/libstore/tests
-/tests/unit/libstore/libnixstore-tests
-
-# /src/libutil/
-/src/libutil/tests
-/tests/unit/libutil/libnixutil-tests
-
-/src/nix/nix
-
-/src/nix/doc
-
-# /src/nix-env/
-/src/nix-env/nix-env
-
-# /src/nix-instantiate/
-/src/nix-instantiate/nix-instantiate
-
-# /src/nix-store/
-/src/nix-store/nix-store
-
-/src/nix-prefetch-url/nix-prefetch-url
-
-/src/nix-collect-garbage/nix-collect-garbage
-
-# /src/nix-channel/
-/src/nix-channel/nix-channel
-
-# /src/nix-build/
-/src/nix-build/nix-build
-
-/src/nix-copy-closure/nix-copy-closure
-
-/src/error-demo/error-demo
-
-/src/build-remote/build-remote
-
-# /tests/functional/
-/tests/functional/test-tmp
-/tests/functional/common/vars-and-functions.sh
-/tests/functional/result*
-/tests/functional/restricted-innocent
-/tests/functional/shell
-/tests/functional/shell.drv
-/tests/functional/config.nix
-/tests/functional/ca/config.nix
-/tests/functional/dyn-drv/config.nix
-/tests/functional/repl-result-out
-/tests/functional/debugger-test-out
-/tests/functional/test-libstoreconsumer/test-libstoreconsumer
-
-# /tests/functional/lang/
-/tests/functional/lang/*.out
-/tests/functional/lang/*.out.xml
-/tests/functional/lang/*.err
-/tests/functional/lang/*.ast
-
-/perl/lib/Nix/Config.pm
-/perl/lib/Nix/Store.cc
-
-/misc/systemd/nix-daemon.service
-/misc/systemd/nix-daemon.socket
-/misc/systemd/nix-daemon.conf
-/misc/upstart/nix-daemon.conf
-
-/src/resolve-system-dependencies/resolve-system-dependencies
-
 outputs/
 
-*.a
-*.o
-*.o.tmp
-*.so
-*.dylib
-*.dll
-*.exe
-*.dep
-*~
-*.pc
-*.plist
-
 # GNU Global
 GPATH
 GRTAGS
@@ -132,17 +9,11 @@ GTAGS
 # ccls
 /.ccls-cache
 
-# auto-generated compilation database
-compile_commands.json
-
-nix-rust/target
-
 result
 result-*
 
 .vscode/
 .direnv/
-.envrc.local
 
 # clangd and possibly more
 .cache/