Revert "fix: help text respects input size"

This reverts commit 86ebe3e.

Author: rise-erpelding

1st-gen/packages/textfield/src/spectrum-textfield.css

@@ -213,10 +213,6 @@
     margin-block-start: var(--mod-textfield-helptext-spacing-block, var(--spectrum-textfield-helptext-spacing-block));
 }
 
-::slotted([slot="help-text"]) {
-    inline-size: var(--mod-textfield-width, var(--spectrum-textfield-width));
-}
-
 .spectrum-Textfield-characterCount {
     inline-size: auto;
     font-size: var(--mod-textfield-character-count-font-size, var(--spectrum-textfield-character-count-font-size));