docs: remove mbits examples from documentation

website/content/docs/drivers/external/containerd.mdx

@@ -74,9 +74,6 @@ job "redis" {
       resources {
         cpu    = 500
         memory = 256
-        network {
-          mbits = 10
-        }
       }
     }
   }

website/content/docs/drivers/external/rkt.mdx

@@ -152,7 +152,6 @@ task "redis" {
 
 	resources {
 		network {
-			mbits = 10
 			port "app" {
 			  static = 12345
 			}

website/content/docs/drivers/podman.mdx

@@ -59,6 +59,11 @@ Due to Podman's similarity to Docker, the example job created by [`nomad init -s
 ```hcl
 job "example" {
   datacenters = ["dc1"]
+  network {
+    port  "db"  {
+      to = 6379
+    }
+  }
 
   group "cache" {
     task "redis" {
@@ -66,20 +71,12 @@ job "example" {
 
       config {
         image = "docker://redis:3.2"
-
-        port_map {
-          db = 6379
-        }
+        ports = ["db"]
       }
 
       resources {
         cpu    = 500
         memory = 256
-
-        network {
-          mbits = 10
-          port  "db"  {}
-        }
       }
     }
   }

website/content/docs/job-specification/service.mdx

@@ -355,11 +355,8 @@ This example must be accompanied by a [`network`][network] stanza which defines
 a static or dynamic port labeled "lb". For example:
 
 ```hcl
-resources {
-  network {
-    mbits = 10
+network {
   port "lb" {}
-  }
 }
 ```
 
@@ -500,6 +497,13 @@ configuration:
 ```hcl
 job "example" {
   datacenters = ["dc1"]
+
+  network {
+    port "db" {
+      to = 6379
+    }
+  }
+
   group "cache" {
 
     task "redis" {
@@ -508,18 +512,12 @@ job "example" {
       config {
         image = "redis:3.2"
         network_mode = "weave"
-        port_map {
-          db = 6379
-        }
+        ports = ["db"]
       }
 
       resources {
         cpu    = 500 # 500 MHz
         memory = 256 # 256MB
-        network {
-          mbits = 10
-          port "db" {}
-        }
       }
 
       service {
@@ -571,9 +569,6 @@ job "example" {
       resources {
         cpu    = 500 # 500 MHz
         memory = 256 # 256MB
-        network {
-          mbits = 10
-        }
       }
 
       service {
@@ -620,24 +615,25 @@ job "example" {
   datacenters = ["dc1"]
   group "cache" {
 
+    network {
+      port "db" {
+        to = 6379
+      }
+    }
+
+
     task "redis" {
       driver = "docker"
 
       config {
         image = "redis:3.2"
         advertise_ipv6_address = true
-        port_map {
-          db = 6379
-        }
+        ports = ["db"]
       }
 
       resources {
         cpu    = 500 # 500 MHz
         memory = 256 # 256MB
-        network {
-          mbits = 10
-          port "db" {}
-        }
       }
 
       service {
@@ -676,9 +672,6 @@ job "example" {
       resources {
         cpu    = 500 # 500 MHz
         memory = 256 # 256MB
-        network {
-          mbits = 10
-        }
       }
 
       service {