Bug 1635514 - Delete tup CI/configure stuff r=froydnj

This includes scripts that involve `tup`, jobs that build `tup` in automation, `tup.configure`, and related infrastructure and documentation.

Differential Revision: https://phabricator.services.mozilla.com/D73921

.gitignore

@@ -158,9 +158,6 @@ tps_result.json
 # Ignore files created when running a reftest.
 lextab.py
 
-# tup database
-/.tup
-
 # Ignore Visual Studio Code workspace files.
 .vscode/
 !.vscode/extensions.json

.hgignore

@@ -180,9 +180,6 @@ _OPT\.OBJ/
 # Ignore files created when running a reftest.
 ^lextab.py$
 
-# tup database
-^\.tup
-
 # Ignore sync tps logs and reports
 tps\.log
 tps_result\.json

build/docs/index.rst

@@ -16,7 +16,6 @@ Important Concepts
    files-metadata
    Profile Guided Optimization <pgo>
    slow
-   tup
    environment-variables
    build-targets
    python

build/docs/slow.rst

@@ -133,16 +133,14 @@ no-op build is spent in make traversal.
 make is inefficient
 ===================
 
-Compared to modern build backends like Tup or Ninja, make is slow and
-inefficient. We can only make make so fast. At some point, we'll hit a
+Compared to modern build backends like Tup or Ninja, `make` is slow and
+inefficient. We can only make `make` so fast. At some point, we'll hit a
 performance plateau and will need to use a different tool to make builds
 faster.
 
-Please note that clobber and incremental builds are different. A clobber
-build with make will likely be as fast as a clobber build with e.g. Tup.
-However, Tup should vastly outperform make when it comes to incremental
-builds. Therefore, this issue is mostly seen when performing incremental
-builds. For more information, see :ref:`tup`.
+Please note that clobber and incremental builds are different. A clobber build
+with `make` will likely be as fast as a clobber build with a modern build
+system.
 
 C++ header dependency hell
 ==========================

moz.configure

@@ -448,21 +448,6 @@ def possible_makes(make, host):
 
 check_prog('GMAKE', possible_makes)
 
-@depends(build_backends, build_project)
-def tup_include(build_backends, build_project):
-    # We need to check the rustc version when building with tup, but
-    # rustc_info isn't available when configuring js (and build_backends isn't
-    # available from project-specific configure), so as a workaround we only
-    # include the file when we know we'll need it. This can be removed when
-    # we globally require a rustc recent enough to build with tup.
-    if build_project not in ('browser', 'mobile/android'):
-        return None
-    for backend in build_backends:
-        if 'Tup' in backend:
-            return 'build/moz.configure/tup.configure'
-
-include(tup_include)
-
 # watchman detection
 # ==============================================================
 

taskcluster/ci/build/linux.yml

@@ -1241,47 +1241,6 @@ linux64-rusttests/debug:
             - linux64-lucetc
             - wasi-sysroot
 
-linux64-tup/opt:
-    description: "Linux64 Tup"
-    index:
-        product: firefox
-        job-name: linux64-tup-opt
-    treeherder:
-        platform: linux64/opt
-        symbol: Btup
-        tier: 3
-    worker-type: b-linux
-    worker:
-        max-run-time: 3600
-        env:
-            PERFHERDER_EXTRA_OPTIONS: tup
-            RUSTC_BOOTSTRAP: '1'
-    run:
-        using: mozharness
-        actions: [get-secrets, build]
-        config:
-            - builds/releng_base_firefox.py
-            - builds/releng_base_linux_64_builds.py
-        script: "mozharness/scripts/fx_desktop_build.py"
-        secrets: true
-        custom-build-variant-cfg: tup
-        mozconfig-variant: tup
-        tooltool-downloads: public
-        need-xvfb: true
-    run-on-projects: []
-    fetches:
-        toolchain:
-            - linux64-binutils
-            - linux64-clang
-            - linux64-rust
-            - linux64-cbindgen
-            - linux64-sccache
-            - linux64-tup
-            - linux64-nasm
-            - linux64-node
-            - linux64-lucetc
-            - wasi-sysroot
-
 linux64-ccov/opt:
     description: "Linux64-CCov Opt"
     index:

taskcluster/ci/fetch/toolchains.yml

@@ -324,13 +324,6 @@ llvm-for-dsymutil:
         repo: https://github.com/llvm/llvm-project
         revision: 3b7811f6441be13c9f613f81ef93297d231b4f8e
 
-tup:
-    description: tup source code
-    fetch:
-        type: git
-        repo: https://github.com/gittup/tup
-        revision: 4371a41ba4ece660bf060b598b9eee4c2eb347d8
-
 rust-size:
     description: rust-size source code
     fetch: