MC-4278: Hard Coded Padding On Button Groups & On Text

- Removed hard coded paddings on buttons and text

Author: Hwashiang Yu

app/code/Magento/PageBuilder/view/adminhtml/web/css/source/content-type/buttons/_default.less

@@ -8,8 +8,6 @@
 //  _____________________________________________
 
 .pagebuilder-buttons {
-    padding: 10px;
-
     .pagebuilder-content-type-wrapper {
         display: inline-block;
         vertical-align: middle;

app/code/Magento/PageBuilder/view/adminhtml/web/css/source/content-type/text/_default.less

@@ -10,7 +10,6 @@
 .pagebuilder-content-type.pagebuilder-text {
     border-width: 0;
     min-height: 70px;
-    padding: 5px;
 
     ol {
         list-style: decimal;