SampleVNF source tree doesn't contain vPE VNF sources, thus the
installation of the vPE sampleVNF fails because of the changes.
Reverting.
This reverts commit 
5bb855a82d960a4fb796e801ec9a9a22dc40b1ca.
Change-Id: I27e929e813a28847c2ca725031ec767633a36954
Signed-off-by: Mytnyk, Volodymyr <volodymyrx.mytnyk@intel.com>
   ACL: vACL
   FW: vFW
   CGNAPT: vCGNAPT
-  PE: vPE
   UDP_Replay: UDP_Replay
   PROX: DPPD-PROX
 vnf_app_names:
   ACL: vACL
   FW: vFW
   CGNAPT: vCGNAPT
-  PE: vPE
   UDP_Replay: UDP_Replay
   PROX: prox
 
       vnf_name: FW
     - role: install_samplevnf
       vnf_name: CGNAPT
-    - role: install_samplevnf
-      vnf_name: PE
     # build shared DPDK for collectd only, required DPDK downloaded already
     - install_dpdk_shared
     - install_rabbitmq
 
       vnf_name: FW
     - role: install_samplevnf
       vnf_name: CGNAPT
-    - role: install_samplevnf
-      vnf_name: PE
     # build shared DPDK for collectd only, required DPDK downloaded already
     - install_dpdk_shared
     - install_rabbitmq
 
 
 class VpeApproxSetupEnvHelper(DpdkVnfSetupEnvHelper):
 
-    APP_NAME = 'vPE'
+    APP_NAME = 'vPE_vnf'
     CFG_CONFIG = "/tmp/vpe_config"
     CFG_SCRIPT = "/tmp/vpe_script"
     TM_CONFIG = "/tmp/full_tm_profile_10G.cfg"
 class VpeApproxVnf(SampleVNF):
     """ This class handles vPE VNF model-driver definitions """
 
-    APP_NAME = 'vPE'
+    APP_NAME = 'vPE_vnf'
     APP_WORD = 'vpe'
     COLLECT_KPI = VPE_COLLECT_KPI
     WAIT_TIME = 20