feature request 398 add 'hide timestamp' option for version text sensor (#1085)

Co-authored-by: Guillermo Ruffino <glm.net@gmail.com>

tests/test1.yaml

@@ -1749,6 +1749,9 @@ text_sensor:
     name: "BSSID"
   mac_address:
     name: "Mac Address"
+- platform: version
+  name: "ESPHome Version No Timestamp"
+  hide_timestamp: True
 
 sn74hc595:
   - id: 'sn74hc595_hub'