Revert "[Yang model] add Restapi yang file (#12287)" (#12374)

This is causing a build failure for all builds. The PR build was incorrectly marked as passing due to a different build issue.

libyang[0]: Regular expression "(/[a-zA-Z0-9_-.]+)*/([a-zA-Z0-9_-.]+)./[a-z]{3}" is not valid (".]+)*/([a-zA-Z0-9_-.]+)./[a-z]{3})$": range out of order in character class).
libyang[0]: Module "sonic-restapi" parsing failed.
ERROR:YANG-TEST: Exception >Module "sonic-restapi" parsing failed.< in /sonic/src/sonic-yang-models/tests/yang_model_tests/test_yang_model.py:114
ERROR:YANG-TEST: Exception >Module "sonic-restapi" parsing failed.< in /sonic/src/sonic-yang-models/tests/yang_model_test

This reverts commit e176512.

src/sonic-yang-models/doc/Configuration.md

@@ -46,7 +46,6 @@ Table of Contents
          * [Scheduler](#scheduler)  
          * [Port QoS Map](#port-qos-map)  
          * [Queue](#queue)  
-         * [Restapi](#restapi)  
          * [Tacplus Server](#tacplus-server)    
          * [TC to Priority group map](#tc-to-priority-group-map)  
          * [TC to Queue map](#tc-to-queue-map)    
@@ -1412,18 +1411,6 @@ name as object key and member list as attribute.
 }
 ```
 
-### Restapi
-```
-{
-"RESTAPI": {
-    "certs": {
-        "ca_crt": "/etc/sonic/credentials/ame_root.pem",
-        "server_key": "/etc/sonic/credentials/restapiserver.key",
-        "server_crt": "/etc/sonic/credentials/restapiserver.crt",
-        "client_crt_cname": "client.sonic.net"
-    }
-}
-```
 
 ### Tacplus Server
 

src/sonic-yang-models/setup.py

@@ -148,7 +148,6 @@ def run(self):
                          './yang-models/sonic-scheduler.yang',
                          './yang-models/sonic-wred-profile.yang',
                          './yang-models/sonic-queue.yang',
-                         './yang-models/sonic-restapi.yang',
                          './yang-models/sonic-dscp-fc-map.yang',
                          './yang-models/sonic-exp-fc-map.yang',
                          './yang-models/sonic-dscp-tc-map.yang',

src/sonic-yang-models/tests/files/sample_config_db.json

@@ -1118,14 +1118,6 @@
 		"port": "50051"
 	    }
         },
-        "RESTAPI": {
-            "certs": {
-                "ca_crt": "/etc/sonic/credentials/ame_root.pem",
-                "server_key": "/etc/sonic/credentials/restapiserver.key",
-                "server_crt": "/etc/sonic/credentials/restapiserver.crt",
-                "client_crt_cname": "client.sonic.net"
-            }
-         },
         "FLEX_COUNTER_TABLE": {
             "PFCWD": {
                 "FLEX_COUNTER_STATUS": "enable"