Redundant specification of type arguments.

Author: Gary Gregory

src/main/java/org/apache/commons/csv/CSVParser.java

@@ -465,8 +465,8 @@ private Map<String, Integer> initializeHeader() throws IOException {
         final String[] formatHeader = this.format.getHeader();
         if (formatHeader != null) {
             hdrMap = this.format.getIgnoreHeaderCase() ?
-                    new TreeMap<String, Integer>(String.CASE_INSENSITIVE_ORDER) :
-                    new LinkedHashMap<String, Integer>();
+                    new TreeMap<>(String.CASE_INSENSITIVE_ORDER) :
+                    new LinkedHashMap<>();
 
             String[] headerRecord = null;
             if (formatHeader.length == 0) {