Fix YAML files linter errors for trailing-spaces rule

Fixed files that had trailing spaces.

Change-Id: I40782bc3a934846372653a0086f1c1fe50bc02c3
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
Issue-ID: INT-1451
diff --git a/test/mocks/mass-pnf-sim/pnf-sim-lightweight/docker-compose-template.yml b/test/mocks/mass-pnf-sim/pnf-sim-lightweight/docker-compose-template.yml
index d2c5290..110dd16 100644
--- a/test/mocks/mass-pnf-sim/pnf-sim-lightweight/docker-compose-template.yml
+++ b/test/mocks/mass-pnf-sim/pnf-sim-lightweight/docker-compose-template.yml
@@ -51,7 +51,7 @@
       FTP_USER: onap
       FTP_PASSWORD: pano
       PASV_ADDRESS: localhost
-      PASV_MIN_PORT: ${FTPS_PASV_MIN} 
+      PASV_MIN_PORT: ${FTPS_PASV_MIN}
       PASV_MAX_PORT: ${FTPS_PASV_MAX}
     volumes:
       - ./tls/ftp.crt:/etc/ssl/private/ftp.crt:ro