Remove cdn support

Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>

lib/config/default.js

@@ -29,7 +29,6 @@ module.exports = {
   },
   cookiePolicy: 'lax',
   protocolUseSSL: false,
-  useCDN: false,
   allowAnonymous: true,
   allowAnonymousEdits: false,
   allowFreeURL: false,

lib/config/environment.js

@@ -27,7 +27,6 @@ module.exports = {
   cookiePolicy: process.env.CMD_COOKIE_POLICY,
   protocolUseSSL: toBooleanConfig(process.env.CMD_PROTOCOL_USESSL),
   allowOrigin: toArrayConfig(process.env.CMD_ALLOW_ORIGIN),
-  useCDN: toBooleanConfig(process.env.CMD_USECDN),
   allowAnonymous: toBooleanConfig(process.env.CMD_ALLOW_ANONYMOUS),
   allowAnonymousEdits: toBooleanConfig(process.env.CMD_ALLOW_ANONYMOUS_EDITS),
   allowFreeURL: toBooleanConfig(process.env.CMD_ALLOW_FREEURL),

lib/config/hackmdEnvironment.js

@@ -20,7 +20,6 @@ module.exports = {
   },
   protocolUseSSL: toBooleanConfig(process.env.HMD_PROTOCOL_USESSL),
   allowOrigin: toArrayConfig(process.env.HMD_ALLOW_ORIGIN),
-  useCDN: toBooleanConfig(process.env.HMD_USECDN),
   allowAnonymous: toBooleanConfig(process.env.HMD_ALLOW_ANONYMOUS),
   allowAnonymousEdits: toBooleanConfig(process.env.HMD_ALLOW_ANONYMOUS_EDITS),
   allowFreeURL: toBooleanConfig(process.env.HMD_ALLOW_FREEURL),

lib/config/oldDefault.js

@@ -6,7 +6,6 @@ module.exports = {
   alloworigin: undefined,
   usessl: undefined,
   protocolusessl: undefined,
-  usecdn: undefined,
   allowanonymous: undefined,
   allowanonymousedits: undefined,
   allowfreeurl: undefined,