Remove unused vcl code generators, setBackend and setFrontend

bin/lib/fastly-config-methods.js

@@ -84,49 +84,6 @@ var FastlyConfigMethods = {
         return 'redirects/' + route.pattern;
     },
 
-    /**
-     * Returns custom vcl configuration as a string for setting the backend
-     * of a request to the given backend/host.
-     *
-     * @param {string} backend   name of the backend declared in fastly
-     * @param {string} host      name of the s3 bucket to be set as the host
-     * @param {string} condition condition under which backend should be set
-     */
-    setBackend: function (backend, host, condition) {
-        return '' +
-            'if (' + condition + ') {\n' +
-            '    set req.backend = ' + backend + ';\n' +
-            '    set req.http.host = \"' + host + '\";\n' +
-            '}\n';
-    },
-
-    /**
-     * Returns custom vcl configuration as a string for headers that
-     * should be added for the condition in which a request is forwarded.
-     *
-     * @param {string} condition condition under which to set pass headers
-     */
-    setForwardHeaders: function (condition) {
-        return '' +
-            'if (' + condition + ') {\n' +
-            '    if (!req.http.Fastly-FF) {\n' +
-            '        if (req.http.X-Forwarded-For) {\n' +
-            '            set req.http.Fastly-Temp-XFF = req.http.X-Forwarded-For \", \" client.ip;\n' +
-            '        } else {\n' +
-            '            set req.http.Fastly-Temp-XFF = client.ip;\n' +
-            '        }\n' +
-            '    } else {\n' +
-            '        set req.http.Fastly-Temp-XFF = req.http.X-Forwarded-For;\n' +
-            '    }\n' +
-            '    set req.grace = 60s;\n' +
-            '    if (req.url ~ "^/projects/" && !req.http.Cookie:scratchsessionid) {\n' +
-            '        set req.http.Cookie = req.http.Cookie:scratchlanguage;\n' +
-            '    } else {\n' +
-            '        return(pass);\n' +
-            '    }\n' +
-            '}\n';
-    },
-
     /**
      * Returns custom vcl configuration as a string that sets the varnish
      * Time to Live (TTL) for responses that come from s3.