Added deluser page, related to userdel at #172

pages/common/deluser.md

@@ -0,0 +1,15 @@
+# deluser
+
+> Remove a user account or remove a user from a group
+
+- Remove a user
+
+`deluser {{name}}`
+
+- Remove a user along with their home directory and mail spool
+
+`deluser -r {{name}}`
+
+- Remove a user from a group
+
+`deluser {{name}} {{group}}`