Data class rule: removing several cases from the scope of the inspection

### What's done:
- Removed annotation, value, sealed, inline, inner classes from the scope
- Added tests

diktat-rules/src/main/kotlin/org/cqfn/diktat/ruleset/rules/chapter6/classes/DataClassesRule.kt

@@ -42,7 +42,7 @@ class DataClassesRule(configRules: List<RulesConfig>) : DiktatRule(
     }
 
     private fun handleClass(node: ASTNode) {
-        if ((node.psi as KtClass).isDefinitelyNotADataClass()) {
+        if ((node.psi as KtClass).isDefinitelyNotDataClass()) {
             return
         }