no-redundant-jsdoc: handle class tag (#3414)

Author: ajafff

src/rules/noRedundantJsdocRule.ts

@@ -75,6 +75,7 @@ function walk(ctx: Lint.WalkContext<void>): void {
                 // OK
                 break;
 
+            case ts.SyntaxKind.JSDocClassTag:
             case ts.SyntaxKind.JSDocTemplateTag:
             case ts.SyntaxKind.JSDocTypeTag:
             case ts.SyntaxKind.JSDocTypedefTag:

test/rules/no-redundant-jsdoc/test.ts.lint

@@ -10,6 +10,8 @@ function f() {}
 const x = 0;
 
 /**
+ * @class
+    ~~~~~ [tag % ('class')]
  * @param {number} x Is a number
           ~~~~~~~~ [type]
  * @param y