chore: omit TASK_X_REMOTE_TASKFILES as the experiment has been released (#454)

Remote Taskfiles are no longer experimental, so the flag no longer has to
be enabled. Remove it from the self-testing workflow, the task.yml header
comment and all documented examples.

Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>

Author: sbp-bvanb

.github/workflows/golang.yml

@@ -13,8 +13,6 @@ jobs:
           - testing-type: security-golang-modules
           - testing-type: security-grype
     runs-on: ubuntu-24.04
-    env:
-      TASK_X_REMOTE_TASKFILES: 1
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:

CLAUDE.md

@@ -80,9 +80,6 @@ includes:
 Then run tasks with:
 
 ```bash
-# Required: enable experimental remote taskfiles support
-export TASK_X_REMOTE_TASKFILES=1
-
 # Run unit tests
 task remote:test --yes
 
@@ -183,8 +180,6 @@ jobs:
           - testing-type: "coverage"
           - testing-type: "security-golang-modules"
     runs-on: ubuntu-24.04
-    env:
-      TASK_X_REMOTE_TASKFILES: 1
     steps:
       - uses: actions/checkout@v4.1.1
       - uses: schubergphilis/mcvs-golang-action@v3 # Use @v3 for latest v3.x.x

README.md

@@ -104,14 +104,9 @@ includes:
 and run:
 
 ```zsh
-TASK_X_REMOTE_TASKFILES=1 \
 task remote:test
 ```
 
-Note that the `TASK_X_REMOTE_TASKFILES` variable is required as long as the
-remote Taskfiles are still experimental. (See [issue
-1317](https://github.com/go-task/task/issues/1317) for more information.)
-
 You can use `task --list-all` to get a list of all available tasks.
 Alternatively, if you have [configured
 completions](https://taskfile.dev/installation/#setup-completions) in your
@@ -122,7 +117,6 @@ shell, you can tab to get a list of available tasks.
 When golangci-lint reports issues that can be automatically fixed, you can use the `fix-linting-issues` task:
 
 ```zsh
-TASK_X_REMOTE_TASKFILES=1 \
 task remote:fix-linting-issues --yes
 ```
 
@@ -202,8 +196,6 @@ jobs:
           - testing-type: "coverage"
           - testing-type: "security-golang-modules"
     runs-on: ubuntu-24.04
-    env:
-      TASK_X_REMOTE_TASKFILES: 1
     steps:
       - uses: actions/checkout@v4.1.1
       - uses: schubergphilis/mcvs-golang-action@v3
@@ -253,7 +245,6 @@ jobs:
           - testing-type: "unit"
     runs-on: ubuntu-24.04
     env:
-      TASK_X_REMOTE_TASKFILES: 1
       test-timeout: 10m0s
     steps:
       - uses: actions/checkout@v4.1.1
@@ -340,8 +331,6 @@ jobs:
             release-os: darwin
             release-type: binary
     runs-on: ubuntu-24.04
-    env:
-      TASK_X_REMOTE_TASKFILES: 1
     steps:
       - uses: actions/checkout@v4.2.2
       - uses: schubergphilis/mcvs-golang-action@v3.4.2

build/task.yml

@@ -1,4 +1,4 @@
-# TASK_X_REMOTE_TASKFILES=1 task remote:lint
+# task remote:lint
 # - cmd: steps that will be run sequentially.
 # - deps: tasks that will be run in parallel.
 #