docs: Remove -X POST

Curl automatically uses POST for -d and --data-binary.

I intentionally left it in to be explicit to learners, but
maybe best practices are better.

src/docs/markdown/api-tutorial.md

@@ -68,7 +68,6 @@ Save this to a JSON file:
 Then upload it:
 
 <pre><code class="cmd bash">curl localhost:2019/load \
-	-X POST \
 	-H "Content-Type: application/json" \
 	-d @caddy.json
 </code></pre>
@@ -104,7 +103,6 @@ Let's change our welcome message from "Hello world!" to something a little more
 Save the config file, then update Caddy's active configuration by running the same POST request again:
 
 <pre><code class="cmd bash">curl localhost:2019/load \
-	-X POST \
 	-H "Content-Type: application/json" \
 	-d @caddy.json
 </code></pre>
@@ -130,7 +128,6 @@ Using the request URI's path, we can traverse into the config structure and upda
 
 <pre><code class="cmd bash">curl \
 	localhost:2019/config/apps/http/servers/example/routes/0/handle/0/body \
-	-X POST \
 	-H "Content-Type: application/json" \
 	-d '"Work smarter, not harder."'
 </code></pre>
@@ -171,7 +168,6 @@ We can give our handler object an [`@id` tag](/docs/api#using-id-in-json) to mak
 
 <pre><code class="cmd bash">curl \
 	localhost:2019/config/apps/http/servers/example/routes/0/handle/0/@id \
-	-X POST \
 	-H "Content-Type: application/json" \
 	-d '"msg"'
 </code></pre>
@@ -198,7 +194,6 @@ And now we can change the message with a shorter path:
 
 <pre><code class="cmd bash">curl \
 	localhost:2019/id/msg/body \
-	-X POST \
 	-H "Content-Type: application/json" \
 	-d '"Some shortcuts are good."'
 </code></pre>

src/docs/markdown/api.md

@@ -64,13 +64,13 @@ If the new config is the same as the current one, no reload will occur. To force
 
 Set a new active configuration:
 
-<pre><code class="cmd bash">curl -X POST "http://localhost:2019/load" \
+<pre><code class="cmd bash">curl "http://localhost:2019/load" \
 	-H "Content-Type: application/json" \
 	-d @caddy.json</code></pre>
 
 Note: curl's `-d` flag removes newlines, so if your config format is sensitive to line breaks (e.g. the Caddyfile), use `--data-binary` instead:
 
-<pre><code class="cmd bash">curl -X POST "http://localhost:2019/load" \
+<pre><code class="cmd bash">curl "http://localhost:2019/load" \
 	-H "Content-Type: text/caddyfile" \
 	--data-binary @Caddyfile</code></pre>
 
@@ -152,14 +152,14 @@ baseSlice = append(baseSlice, newElems...)
 
 Add a listener address:
 
-<pre><code class="cmd bash">curl -X POST \
+<pre><code class="cmd bash">curl \
 	-H "Content-Type: application/json" \
 	-d '":8080"' \
 	"http://localhost:2019/config/apps/http/servers/myserver/listen"</code></pre>
 
 Add multiple listener addresses:
 
-<pre><code class="cmd bash">curl -X POST \
+<pre><code class="cmd bash">curl \
 	-H "Content-Type: application/json" \
 	-d '[":8080", ":5133"]' \
 	"http://localhost:2019/config/apps/http/servers/myserver/listen/..."</code></pre>

src/docs/markdown/config-adapters.md

@@ -32,7 +32,6 @@ You can use a config adapter by specifying it on the command line by using the `
 Or via the API at the [`/load` endpoint](/docs/api#post-load):
 
 <pre><code class="cmd bash">curl localhost:2019/load \
-	-X POST \
 	-H "Content-Type: application/yaml" \
 	--data-binary @caddy.yaml</code></pre>
 

src/docs/markdown/getting-started.md

@@ -89,7 +89,6 @@ Save this to a JSON file (e.g. `caddy.json`):
 Then upload it:
 
 <pre><code class="cmd bash">curl localhost:2019/load \
-	-X POST \
 	-H "Content-Type: application/json" \
 	-d @caddy.json
 </code></pre>

src/docs/markdown/quick-starts/api.md

@@ -17,7 +17,6 @@ First start Caddy:
 Caddy is currently running idle (with a blank configuration). Give it a simple config with `curl`:
 
 <pre><code class="cmd bash">curl localhost:2019/load \
-    -X POST \
     -H "Content-Type: application/json" \
     -d @- << EOF
     {
@@ -44,7 +43,6 @@ EOF</code></pre>
 Giving a POST body with [Heredoc](https://en.wikipedia.org/wiki/Here_document#Unix_shells) can be tedious, so if you prefer to use files, save the JSON to a file called `caddy.json` and then use this command instead:
 
 <pre><code class="cmd bash">curl localhost:2019/load \
-  -X POST \
   -H "Content-Type: application/json" \
   -d @caddy.json
 </code></pre>

src/docs/markdown/quick-starts/caddyfile.md

@@ -56,7 +56,6 @@ localhost:2016 {
 You can give Caddy the updated configuration two ways, either with the API directly:
 
 <pre><code class="cmd bash">curl localhost:2019/load \
-	-X POST \
 	-H "Content-Type: text/caddyfile" \
 	--data-binary @Caddyfile
 </code></pre>