fix(codacy): stop preprocessing branch name

Documentation doesn't say anything about branch name preprocessing
and shields doesn't do it either:
https://github.com/badges/shields/blob/d3a7afd/services/codacy/codacy-coverage.service.js#L59

api/codacy.ts

@@ -36,7 +36,7 @@ const SUBJECT_BY_TYPE = {
 
 async function handler ({ type, projectId, branch }: PathArgs) {
   const searchParams = new URLSearchParams()
-  if (branch) searchParams.append('branch', branch.replace(/-/g, '--'))
+  if (branch) searchParams.append('branch', branch)
   const endpoint = `project/badge/${type}/${projectId}`
   const svg = await client.get(endpoint, { searchParams }).text()