SI-756 csv header angepasst

gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/service/DistributionGroupMemberService.java

diff --git a/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/service/DistributionGroupMemberService.java b/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/service/DistributionGroupMemberService.java
index d17a5be..f6fd506 100644
--- a/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/service/DistributionGroupMemberService.java
+++ b/gfsBackendService/src/main/java/org/eclipse/openk/gridfailureinformation/service/DistributionGroupMemberService.java
@@ -140,7 +140,7 @@
 
     private String getBuildCsvFileAsString(List<DistributionGroupMemberDto> dtoList) {
         StringBuilder builder = new StringBuilder();
-        builder.append("name;email;mobilenumber;mailaddress\r\n");
+        builder.append("name;email;mobilenumber\r\n");
         dtoList.forEach( x-> buildCsvLine(builder, x));
         return builder.toString();
     }