fix(past-events.md): links

Signed-off-by: Marco De Benedictis <[email protected]>

community/events/past-events.md

@@ -117,7 +117,7 @@ A list of past KubeCon/Cloud Native SecurityCon events can be found [here](cloud
 * [2019-01-10 SAFE Meeting](https://docs.google.com/document/d/1WLnEErqODywjkQVTAESpwK8pgIbxsNDp6SqOtw3kjlk/edit)
 \- Working Session - :star: [new meeting notes doc](https://docs.google.com/document/d/1WLnEErqODywjkQVTAESpwK8pgIbxsNDp6SqOtw3kjlk/edit)
 * [2018-12-21 SAFE Meeting](https://docs.google.com/document/d/1JsEv4vk_61UaF9SaHBRzzPGja-bNsHeLqxa53RPVfos/edit)
-* [2018-12-13 SAFE WG BOF Deep Dive @ KubeCon + CloudNativeCon North America 2018](https://kccna18.sched.com/event/GrdR/deep-dive-safe-bof-jeyappragash-jeyakeerthi-padmeio-dan-shaw-danshaw-llc)
+* [2018-12-13 SAFE WG BOF Deep Dive @ KubeCon + CloudNativeCon North America 2018](https://sched.co/GrdR)
 * 2018-12-11 SAFE WG Dinner @ KubeCon + CloudNativeCon North America 2018
 * [2018-12-11 SAFE WG BOF Intro @ KubeCon + CloudNativeCon North America
 2018](https://kccna18.sched.com/event/GrbV/intro-safe-bof-jeyappragash-jeyakeerthi-padmeio-dan-shaw-danshaw-llc)
@@ -132,7 +132,7 @@ A list of past KubeCon/Cloud Native SecurityCon events can be found [here](cloud
 * [2018-11-15 SAFE Meeting](https://docs.google.com/document/d/1JsEv4vk_61UaF9SaHBRzzPGja-bNsHeLqxa53RPVfos/edit)
 \- Working Session
 * 2018-11-14 - KubeCon Shanghai 2018 Intro Session:
-[Intro: SAFE (A Cloud Native Security Working Group)](https://kccncchina2018english.sched.com/event/FuLG)
+[Intro: SAFE (A Cloud Native Security Working Group)](https://sched.co/FuLG)
 * 2018-11-09 - no meeting: [SPIFFE Community Day](https://docs.google.com/document/d/1Gt91uPgemRuW56P3qnuQfs0VoWn_2n0D8N-LxpnUu5c/edit)
 * [2018-11-08 SAFE Meeting](https://docs.google.com/document/d/1JsEv4vk_61UaF9SaHBRzzPGja-bNsHeLqxa53RPVfos/edit)
 \- Working Session