Remove un-used code of RestTemplate

 - Removed unused property belons to resttemplate
 - Refactored dmi properties class (from static internal class)
 - Overriden getter method of dmi basepath that removes any leading and trailing slashes from it.

Issue-ID: CPS-2202
Change-Id: I16f61388fce2a6b9e258788fa826d485581d6138
Signed-off-by: sourabh_sourabh <sourabh.sourabh@est.tech>
diff --git a/cps-ncmp-service/src/test/resources/application.yml b/cps-ncmp-service/src/test/resources/application.yml
index cc620b8..2a93f40 100644
--- a/cps-ncmp-service/src/test/resources/application.yml
+++ b/cps-ncmp-service/src/test/resources/application.yml
@@ -37,7 +37,7 @@
 ncmp:
     dmi:
         httpclient:
-            connectionTimeoutInSeconds: 180
+            connectionTimeoutInSeconds: 123
             maximumInMemorySizeInMegabytes: 16
         auth:
             username: some-user