Unify --noheading and -n to be consistent on all commands

Helps with https://github.com/containers/podman/issues/16536

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

docs/source/markdown/.gitignore

@@ -3,12 +3,14 @@ podman-auto-update.1.md
 podman-build.1.md
 podman-container-clone.1.md
 podman-container-diff.1.md
-podman-container-runlabel.1.md
 podman-container-inspect.1.md
+podman-container-runlabel.1.md
 podman-create.1.md
 podman-diff.1.md
 podman-exec.1.md
 podman-image-sign.1.md
+podman-image-trust.1.md
+podman-images.1.md
 podman-init.1.md
 podman-init.1.md
 podman-inspect.1.md
@@ -17,12 +19,14 @@ podman-kube-play.1.md
 podman-login.1.md
 podman-logout.1.md
 podman-logs.1.md
+podman-machine-list.1.md
 podman-manifest-add.1.md
 podman-manifest-annotate.1.md
 podman-manifest-create.1.md
 podman-manifest-inspect.1.md
 podman-manifest-push.1.md
 podman-mount.1.md
+podman-network-ls.1.md
 podman-network-reload.1.md
 podman-pause.1.md
 podman-pod-clone.1.md
@@ -31,6 +35,7 @@ podman-pod-inspect.1.md
 podman-pod-inspect.1.md
 podman-pod-kill.1.md
 podman-pod-logs.1.md
+podman-pod-ps.1.md
 podman-pod-rm.1.md
 podman-pod-start.1.md
 podman-pod-stats.1.md
@@ -43,6 +48,7 @@ podman-restart.1.md
 podman-rm.1.md
 podman-run.1.md
 podman-search.1.md
+podman-secret-ls.1.md
 podman-start.1.md
 podman-stats.1.md
 podman-stop.1.md
@@ -50,4 +56,5 @@ podman-top.1.md
 podman-unmount.1.md
 podman-unpause.1.md
 podman-update.1.md
+podman-volume-ls.1.md
 podman-wait.1.md

docs/source/markdown/options/noheading.md

@@ -0,0 +1,7 @@
+####> This option file is used in:
+####>   podman image trust, images, machine list, network ls, pod ps, secret ls, volume ls
+####> If file is edited, make sure the changes
+####> are applicable to all of those.
+#### **--noheading**, **-n**
+
+Omit the table headings from the listing.

docs/source/markdown/podman-image-trust.1.md.in

@@ -64,8 +64,7 @@ Trust may be updated using the command **podman image trust set** for an existin
 #### **--json**, **-j**
   Output trust as JSON for machine parsing
 
-#### **--noheading**, **-n**
-  Omit the table headings from the trust listings
+@@option noheading
 
 #### **--raw**
   Output trust policy file as raw JSON

docs/source/markdown/podman-images.1.md.in

@@ -108,9 +108,7 @@ Display the history of image names.  If an image gets re-tagged or untagged, the
 
 Do not truncate the output (default *false*).
 
-#### **--noheading**, **-n**
-
-Omit the table headings from the listing of images.
+@@option noheading
 
 #### **--quiet**, **-q**
 

docs/source/markdown/podman-machine-list.1.md.in

@@ -53,9 +53,7 @@ Valid placeholders for the Go template are listed below:
 
 Print usage statement.
 
-#### **--noheading**
-
-Omit the table headings from the listing of machines
+@@option noheading
 
 #### **--quiet**, **-q**
 

docs/source/markdown/podman-network-ls.1.md.in

@@ -61,9 +61,7 @@ Valid placeholders for the Go template are listed below:
 
 Do not truncate the network ID.
 
-#### **--noheading**
-
-Omit the table headings from the listing of networks.
+@@option noheading
 
 #### **--quiet**, **-q**
 

docs/source/markdown/podman-pod-ps.1.md.in

@@ -105,9 +105,7 @@ Display namespace information of the pod
 
 Do not truncate the output (default *false*).
 
-#### **--noheading**
-
-Omit the table headings from the listing of pods.
+@@option noheading
 
 #### **--quiet**, **-q**
 

docs/source/markdown/podman-secret-ls.1.md.in

@@ -28,9 +28,7 @@ Valid filters are listed below:
 
 Format secret output using Go template.
 
-#### **--noheading**
-
-Omit the table headings from the listing of secrets.
+@@option noheading
 
 #### **--quiet**, **-q**
 

docs/source/markdown/podman-volume-ls.1.md.in

@@ -36,9 +36,7 @@ Format volume output using Go template.
 
 Print usage statement.
 
-#### **--noheading**
-
-Omit the table headings from the listing of volumes.
+@@option noheading
 
 #### **--quiet**, **-q**