Revert "OZG-6423 Fix icon styling"

This reverts commit 90bf2f37.

alfa-client/libs/user-profile/src/lib/user-icon/user-icon.component.scss

@@ -44,9 +44,9 @@
 
 mat-icon {
   color: $grey;
-  position: relative;
-  left: 33%;
-  top: 33%;
+  position: absolute;
+  left: 50%;
+  top: 50%;
   transform: scale(1.78) translate(-50%, -50%);
   transform-origin: left top;
 }