Bug 2067092 - Remove the leftover rstcheck comments. r=devtools-reviewers,geckoview-reviewers,chutten,ochameau,tcampbell

The rst linter was removed in bug 2038819, so these `% rstcheck:` comments no
longer configure anything.

Differential Revision: https://phabricator.services.mozilla.com/D321836

build/docs/defining-xpcom-components.md

@@ -217,7 +217,6 @@ depending on how old the code that uses them is:
 This simplest way to define a component is to include a header defining a
 concrete type, and let the component manager call that class's constructor:
 
-% rstcheck: ignore-languages=python
 
 ```python
 'type': 'mozilla::foo::Foo',
@@ -236,7 +235,6 @@ returns the same instance on subsequent calls. This requires declaring the
 constructor in an included header, and implementing it in a separate source
 file:
 
-% rstcheck: ignore-languages=python
 
 ```python
 'type': 'mozilla::foo::Foo',
@@ -266,7 +264,6 @@ already_AddRefed<Foo> Foo::GetSingleton() {
 For types whose headers can't easily be included, constructors can be defined
 using a template specialization on an incomplete type:
 
-% rstcheck: ignore-languages=python
 
 ```python
 'type': 'mozilla::foo::Foo',
@@ -291,7 +288,6 @@ reader.
 Classes which need define category entries with the same value as their
 contract ID may do so using the following:
 
-% rstcheck: ignore-languages=python
 
 ```python
 'contract_ids': ['@mozilla.org/foo;1'],

build/docs/test_manifests.md

@@ -209,7 +209,6 @@ See
 [the source](https://hg.mozilla.org/mozilla-central/file/default/testing/mozbase/manifestparser/manifestparser/manifestparser.py) for the full documentation of the
 expression syntax until it is documented here.
 
-% rstcheck: ignore-directives=todo
 
 ```{eval-rst}
 .. todo::

devtools/docs/user/devtoolsapi/index.md

@@ -707,8 +707,6 @@ gDevTools.once("netmonitor-init").then(toolbox => {
 
 To build a sidebar in your tool, first, add a xul:tabbox where you want the sidebar to live:
 
-% rstcheck: ignore-languages=xml
-
 ```xml
 <splitter class="devtools-side-splitter"/>
 <tabbox id="mytool-sidebar" class="devtools-sidebar-tabs" hidden="true">

mobile/android/docs/geckoview/contributor/geckoview-architecture.md

@@ -382,8 +382,6 @@ be declared in GeckoView's `AndroidManifest.xml`.
 
 For example, this is the definition of the `media` process:
 
-% rstcheck: ignore-languages=xml
-
 ```xml
 <service
         android:name="org.mozilla.gecko.media.MediaManager"

python/mach/docs/commands.md

@@ -35,7 +35,6 @@ The important decorators are as follows:
 
 Here is a complete example:
 
-% rstcheck: ignore-languages=python
 
 ```python
 from mach.decorators import Command, CommandArgument
@@ -95,7 +94,6 @@ why the command cannot currently be run.
 
 Here is an example:
 
-% rstcheck: ignore-languages=python
 
 ```python
 from mach.decorators import (

testing/mozbase/docs/manifestparser.md

@@ -301,7 +301,6 @@ tests = manifest.active_tests(filters=filters, **mozinfo.info)
     :exclude-members: filterlist,InstanceFilter,DEFAULT_FILTERS
 ```
 
-% rstcheck: ignore-directives=autodata
 
 ```{eval-rst}
 .. autodata::  manifestparser.filters.DEFAULT_FILTERS

testing/mozbase/docs/mozproxy.md

@@ -11,7 +11,6 @@ with the real web site.
 
 Mozproxy provide a function that returns a playback class. The usage pattern is
 
-% rstcheck: ignore-languages=python
 
 ```python
 from mozproxy import get_playback

toolkit/components/telemetry/docs/obsolete/collection/scalars.md

@@ -118,7 +118,6 @@ definition file.
 
 The probes in the definition file are represented in a fixed-depth, two-level structure:
 
-% rstcheck: ignore-languages=yaml
 
 ```yaml
 # The following is a category.