Extract plugin-specific examples to plugin directories (#10228)

* move alicloud examples from common example directory to alicloud builder

* move amazon examples to amazon builder dir

* move examples into ansible provisioner directory

* move azure examples to builder dir

* move hyperone examples into builder directory

* move jdcloud builder examples into builder directory

* move tencent cloud examples into the builder directory

* move ucloud examples into ucloud builder directory

builder/amazon/examples/apache_server/apache.json

@@ -1,7 +1,4 @@
-
-
-
-{   
+{
     "variables":
         {
             "accesskey": "",
@@ -22,13 +19,13 @@
               "OS_Version": "Ubuntu",
               "Release": "Latest"
             }
-        }   
+        }
     ],
    "provisioners":[
        {
        "type": "shell",
        "script": "{{user `shellpath`}}"
-       }  
+       }
     ]
 
 }