remove unnecessary percentage handling

We already constant fold declarations, including normalization of
`0.00%` to just `0%`. So we don't need this code anymore.

Author: RobinMalfait

packages/tailwindcss/src/signatures.ts

@@ -11,8 +11,6 @@ import { isValidSpacingMultiplier } from './utils/infer-data-type'
 import * as ValueParser from './value-parser'
 import { walk, WalkAction } from './walk'
 
-const FLOATING_POINT_PERCENTAGE = /\d*\.\d+(?:[eE][+-]?\d+)?%/g
-
 export enum SignatureFeatures {
   None = 0,
   ExpandProperties = 1 << 0,
@@ -113,17 +111,6 @@ function canonicalizeAst(ast: AstNode[], options: SignatureOptions) {
           if (replacement) return WalkAction.Replace(replacement)
         }
 
-        // Normalize percentages by removing unnecessary dots and zeros.
-        //
-        // E.g.: `50.0%` → `50%`
-        if (node.value.includes('%')) {
-          FLOATING_POINT_PERCENTAGE.lastIndex = 0
-          node.value = node.value.replaceAll(
-            FLOATING_POINT_PERCENTAGE,
-            (match) => `${Number(match.slice(0, -1))}%`,
-          )
-        }
-
         // Resolve theme values to their inlined value.
         if (node.value.includes('var(')) {
           node.value = resolveVariablesInValue(node.value, designSystem)