Removing unnecessary css property

Co-authored-by: Brandy Smith <[email protected]>

Author: rugoncalves

core/src/components/tab-button/tab-button.ionic.scss

@@ -12,8 +12,6 @@
 
   position: relative;
 
-  flex: 1;
-
   align-content: center;
 
   min-width: globals.$ion-scale-1200;