chore: update README to match the code (#1122)

Author: raymondk

hosting/static-website/README.md

@@ -74,7 +74,7 @@ The project folder will then look like this:
 ![Project Files](README_images/project_files.png)
 
 ### dfx.json
-The `dfx.json` file is a configuration file which specifies the canister used for the dapp. In this case only one canister is needed, and besides the canister configuration, `dfx.json` also includes information about DFX version, build settings and network settings.
+The `dfx.json` file is a configuration file which specifies the canister used for the dapp. In this case only one canister is needed, and besides the canister configuration, `dfx.json` also includes information about the DFX version and build settings.
 
 ```json
 {
@@ -96,12 +96,6 @@ The `dfx.json` file is a configuration file which specifies the canister used fo
             "packtool": ""
         }
     },
-    "networks": {
-        "local": {
-            "bind": "127.0.0.1:8000",
-            "type": "ephemeral"
-        }
-    },
     "version": 1
 }
 ```

hosting/static-website/dfx.json

@@ -18,4 +18,4 @@
     }
   },
   "version": 1
-}
+}