Delete disableNoUnusedVariableRule

This rule is not supported and had no effect

README.md

@@ -32,7 +32,6 @@ See [editor support](#editor-support) for more detailed setup instructions.
  * `jsEnable` - Enable/disable tslint for `.js` files, default is `false`.
  * `ignoreDefinitionFiles` - Control if TypeScript definition files should be ignored. Default is `true`
  * `alwaysShowRuleFailuresAsWarnings` - Always show rule failures as warnings, ignoring the severity configuration in the tslint.json configuration.
- * `disableNoUnusedVariableRule` - Disable `no-unused-variable` rule.
  * `suppressWhileTypeErrorsPresent` - Suppress tslint errors from being reported while other errors are present.
 
 Here is a configuration sample:
@@ -46,7 +45,6 @@ Here is a configuration sample:
         "alwaysShowRuleFailuresAsWarnings": false,
         "ignoreDefinitionFiles": true,
         "configFile": "../tslint.json",
-        "disableNoUnusedVariableRule": false,
         "suppressWhileTypeErrorsPresent": false,
         "mockTypeScriptVersion": false
       }

e2e/project-fixture/tsconfig.json

@@ -6,7 +6,6 @@
                 "alwaysShowRuleFailuresAsWarnings": false,
                 "ignoreDefinitionFiles": true
                 //"configFile": "../tslint.json",
-                //"disableNoUnusedVariableRule": false
             }
         ],
         "module": "commonjs",

src/settings.ts

@@ -9,7 +9,6 @@ export interface Settings {
     readonly alwaysShowRuleFailuresAsWarnings?: boolean;
     readonly ignoreDefinitionFiles?: boolean;
     readonly configFile?: string;
-    readonly disableNoUnusedVariableRule?: boolean; // support to enable/disable the workaround for https://github.com/Microsoft/TypeScript/issues/15344
     readonly suppressWhileTypeErrorsPresent?: boolean;
     readonly jsEnable?: boolean;
 }

test-workspace/tsconfig.json

@@ -6,7 +6,6 @@
                 "alwaysShowRuleFailuresAsWarnings": false,
                 "ignoreDefinitionFiles": true
                 //"configFile": "../tslint.json",
-                //"disableNoUnusedVariableRule": false
             }
         ],
         "module": "commonjs",