Replace bogus (but routeable) ip addresses with RFC 5737 example addresses (#40554)

* Remove 1.1.1.1 from *_config tests

* remove from *_smoke and *_system

* Miscellaneous other tests

* Remove from module documentation as well

* Remove from unit tests as well

* Remove accidental duplication from rebase

test/units/modules/network/ironware/fixtures/show_mpls_lsp_detail

@@ -1,4 +1,4 @@
-LSP LSP1, to 1.1.1.1
+LSP LSP1, to 192.0.2.1
   From: (n/a), admin: DOWN, status: DOWN
   revert timer: 300 seconds
   Times primary LSP goes up since enabled: 1
@@ -17,7 +17,7 @@ LSP LSP1, to 1.1.1.1
    Backup LSP: DOWN
    Global revertiveness enabled with hold time 5 secs
    FRR Forwarding State: Pri(down), Backup(down)
-LSP LSP3, to 3.3.3.3
+LSP LSP3, to 192.0.2.3
   From: (n/a), admin: DOWN, status: DOWN
   Times primary LSP goes up since enabled: 0
   Metric: 0

test/units/modules/network/ironware/fixtures/show_mpls_vll_detail

@@ -9,7 +9,7 @@ VLL TEST-VLL, VC-ID 111, VLL-INDEX 4
   COS              : 1
   Extended Counters: Enabled
 
-  Vll-Peer         : 1.1.1.1
+  Vll-Peer         : 192.0.2.1
     State          : DOWN - PW is Down (Reason:Wait for peer label)
     Remote VC type : --                Remote VC MTU  : --
     Local label    : --                Remote label   : --

test/units/modules/network/ironware/fixtures/show_mpls_vpls_detail

@@ -10,7 +10,7 @@ VPLS TEST-VPLS, Id 333, Max mac entries: 2048
    Untagged: ethe 2/7
  VC-Mode: Raw
  Total VPLS peers: 1 (0 Operational)
- Peer address: 3.3.3.3, State: Wait for functional local ports
+ Peer address: 192.0.2.3, State: Wait for functional local ports
   Tnnl in use: tnl1(3)[RSVP]    Peer Index:0
   Local VC lbl: N/A, Remote VC lbl: N/A
   Local VC MTU: 9190, Remote VC MTU: 0

test/units/modules/network/ironware/fixtures/show_running-config

@@ -43,14 +43,14 @@ qos-mapping
 default-max-frame-size 9216
 cpu-usage on
 aaa authentication login default tacacs+ local enable
-tacacs-server host 5.5.5.5
+tacacs-server host 192.0.2.5
 tacacs-server key 2 $X3FSZjgzKGzPIXVd
 !
 !
 enable password-display
 enable super-user-password 8 $1$WV1..Pi2$B6acbjDxeHsof2BKrpyqQ0
 enable aaa console
-logging host 5.5.5.5
+logging host 192.0.2.5
 logging facility local7
 logging buffered 5000
 logging console
@@ -244,13 +244,13 @@ router mpls
     cos 1
 
  lsp LSP1
-  to 1.1.1.1
+  to 192.0.2.1
   no cspf
   adaptive
   enable
 
  lsp LSP3
-  to 3.3.3.3
+  to 192.0.2.3
   shortcuts isis level2
   adaptive
   reoptimize-timer 1800
@@ -260,7 +260,7 @@ router mpls
   enable
 
  vll TEST-VLL 111 raw-mode cos 1
-  vll-peer 1.1.1.1
+  vll-peer 192.0.2.1
   vlan 2005
    tagged e 2/1
 
@@ -271,7 +271,7 @@ router mpls
    tag e 2/9
 
  vpls TEST-VPLS 333
-  vpls-peer 3.3.3.3
+  vpls-peer 192.0.2.3
   vlan 5
    untagged ethe 2/4
   vlan 6