Fix MD Editor style

- Remove padding
- Remove border

Most of the stylings had been done within its React SimpleMDE Package

client/src/components/CardModal/DescriptionEdit.module.scss

@@ -6,15 +6,12 @@
 
   .field {
     background: #fff;
-    border: 1px solid rgba(9, 30, 66, 0.13);
-    border-radius: 3px;
     color: #17394d;
     display: block;
     font-size: 14px;
     line-height: 1.5;
     margin-bottom: 4px;
     overflow: hidden;
-    padding: 8px 12px;
     resize: none;
 
     &:focus {