Issue #3195951 by thejimbirch, Pooja Ganjage, volkswagenchick, Gábor Hojtsy,...

Issue #3195951 by thejimbirch, Pooja Ganjage, volkswagenchick, Gábor Hojtsy, ChrisDarke, xjm: Remove "Provisional membership: None at this time" texts from MAINTAINERS.txt

core/MAINTAINERS.txt

@@ -489,8 +489,6 @@ Usability
 - Roy Scholten 'yoroy' https://www.drupal.org/u/yoroy
 - Bojhan Somers 'Bojhan' https://www.drupal.org/u/bojhan
 
-Provisional membership: None at this time.
-
 
 Security team
 -------------
@@ -525,8 +523,6 @@ Layout Initiative
 Media Initiative
 - Janez Urevc 'slashrsm' https://www.drupal.org/u/slashrsm
 
-Provisional membership: None at this time.
-
 
 Core mentoring coordinators
 ---------------------------
@@ -549,5 +545,3 @@ participate in mentoring.
 - (provisional) Chris Darke 'chrisdarke' https://www.drupal.org/u/chrisdarke
 - (provisional) Brian Gilbert 'realityloop' https://www.drupal.org/u/realityloop
 - (provisional) AmyJune Hineline 'volkswagenchick' https://www.drupal.org/u/volkswagenchick
-
-Provisional membership: None at this time.