Remove dead code from SlistHandler in Indentation check. #1270

pom.xml

@@ -1165,7 +1165,6 @@
             <regex><pattern>.*.checks.indentation.NewHandler</pattern><branchRate>83</branchRate><lineRate>77</lineRate></regex>
             <regex><pattern>.*.checks.indentation.ObjectBlockHandler</pattern><branchRate>75</branchRate><lineRate>100</lineRate></regex>
             <regex><pattern>.*.checks.indentation.PackageDefHandler</pattern><branchRate>50</branchRate><lineRate>85</lineRate></regex>
-            <regex><pattern>.*.checks.indentation.SlistHandler</pattern><branchRate>100</branchRate><lineRate>94</lineRate></regex>
             <regex><pattern>.*.checks.indentation.SynchronizedHandler</pattern><branchRate>100</branchRate><lineRate>100</lineRate></regex>
 
             <regex><pattern>.*.checks.javadoc.AbstractJavadocCheck</pattern><branchRate>90</branchRate><lineRate>93</lineRate></regex>

src/main/java/com/puppycrawl/tools/checkstyle/checks/indentation/SlistHandler.java

@@ -62,15 +62,6 @@ public class SlistHandler extends BlockParentHandler {
         return super.suggestedChildLevel(child);
     }
 
-    @Override
-    protected DetailAST getNonlistChild() {
-        // blocks always have either block children or they are transparent
-        // and aren't checking children at all.  In the later case, the
-        // superclass will want to check single children, so when it
-        // does tell it we have none.
-        return null;
-    }
-
     @Override
     protected DetailAST getListChild() {
         return getMainAst();