[ONOS-5096][ONOS-5104] Checkstyle issues fixed for generated code.

Change-Id: I6a0984c2b397dbeda912e75138d5ad9e7adf33d5
diff --git a/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java b/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java
index 412409a..45cb014 100644
--- a/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java
+++ b/plugin/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java
@@ -20,6 +20,7 @@
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
+
 import org.onosproject.yangutils.datamodel.YangAugmentableNode;
 import org.onosproject.yangutils.datamodel.YangCase;
 import org.onosproject.yangutils.datamodel.YangChoice;
@@ -269,7 +270,7 @@
         for (String method : methods) {
             insertDataIntoJavaFile(file, method);
         }
-        return validateLineLength(file);
+        return file;
 
     }
 
@@ -342,7 +343,7 @@
         }
 
         insertDataIntoJavaFile(file, CLOSE_CURLY_BRACKET + NEW_LINE);
-        return validateLineLength(file);
+        return file;
     }
 
     /**
@@ -441,7 +442,7 @@
         }
 
         insertDataIntoJavaFile(file, CLOSE_CURLY_BRACKET);
-        return validateLineLength(file);
+        return file;
     }
 
     /**
@@ -604,7 +605,7 @@
             insertDataIntoJavaFile(file, method);
         }
 
-        return validateLineLength(file);
+        return file;
     }
 
     /**