fix(type): remove italic from helper text 01 (#4004)

Author: alisonjoseph

packages/type/src/__tests__/__snapshots__/styles-test.js.snap

@@ -488,15 +488,13 @@ letter-spacing: 0;"
 exports[`styles helperText01 should be printable 1`] = `
 Object {
   "fontSize": "0.75rem",
-  "fontStyle": "italic",
   "letterSpacing": "0.32px",
   "lineHeight": "1rem",
 }
 `;
 
 exports[`styles helperText01 should be printable 2`] = `
 "font-size: 0.75rem;
-font-style: italic;
 line-height: 1rem;
 letter-spacing: 0.32px;"
 `;

packages/type/src/styles.js

@@ -26,7 +26,6 @@ export const label01 = {
 
 export const helperText01 = {
   fontSize: rem(scale[0]),
-  fontStyle: 'italic',
   lineHeight: rem(16),
   letterSpacing: px(0.32),
 };