Clean up v7 from mongoose

PUBLISHED_FROM=efa9cc3aaf0c5ae8841e029370f882b615cebf1b

docs/c-api/net.h/intro.md

@@ -11,7 +11,6 @@ items:
   - { name: mg_check_ip_acl.md }
   - { name: mg_connect.md }
   - { name: mg_connect_opt.md }
-  - { name: mg_enable_javascript.md }
   - { name: mg_mgr_free.md }
   - { name: mg_mgr_init.md }
   - { name: mg_mgr_init_opt.md }

docs/c-api/net.h/mg_enable_javascript.md

@@ -1,14 +0,0 @@
----
-title: "mg_enable_javascript()"
-decl_name: "mg_enable_javascript"
-symbol_kind: "func"
-signature: |
-  enum v7_err mg_enable_javascript(struct mg_mgr *m, struct v7 *v7,
-                                   const char *init_js_file_name);
----
-
-Enables server-side JavaScript scripting.
-Requires a `-DMG_ENABLE_JAVASCRIPT` compilation flag and V7 engine sources.
-V7 instance must not be destroyed during manager's lifetime.
-Returns a V7 error. 
-

docs/c-api/net.h/struct_mg_mgr.md

@@ -14,9 +14,6 @@ signature: |
     void *user_data; /* User data */
     int num_ifaces;
     struct mg_iface **ifaces; /* network interfaces */
-  #if MG_ENABLE_JAVASCRIPT
-    struct v7 *v7;
-  #endif
     const char *nameserver; /* DNS server to use */
   };
 ---