Update the Contributor Experience Project community calendar (#435)

* Update contributor-experience.yaml

There is no community meeting on July 13th, 2023.

* Remove a blank line in numpy.yaml

Author: InessaPawson

calendars/contributor-experience.yaml

@@ -5,9 +5,8 @@ events:
       A weekly meeting to discuss everything related to contributor experience. Everyone is welcome to attend and contribute to a conversation.
 
       Join us via Zoom: https://numfocus-org.zoom.us/j/81082067424?pwd=bVNqWXhqSXZEdTl6ZzFsa1lJZ08xZz09
-
-    begin: 2023-03-30 13:00:00 +00:00
-    end: 2023-03-30 14:00:00 +00:00
+    begin: 2023-07-20 13:00:00 +00:00
+    end: 2023-07-20 14:00:00 +00:00
     url: https://numfocus-org.zoom.us/j/81082067424?pwd=bVNqWXhqSXZEdTl6ZzFsa1lJZ08xZz09
     repeat:
       interval:

calendars/numpy.yaml

@@ -47,7 +47,6 @@ events:
       follow the link: https://hackmd.io/oB_boakvRqKR-_2jRV-Qjg
 
       Join us via Zoom: https://us06web.zoom.us/j/83278611437?pwd=ekhoLzlHRjdWc0NOY2FQM0NPemdkZz09
-
     begin: 2022-11-07 12:00:00 +00:00
     end: 2022-11-07 13:00:00 +00:00
     url: https://us06web.zoom.us/j/85016474448?pwd=TWEvaWJ1SklyVEpwNXUrcHV1YmFJQT09