Revert "chore: skip es5-getter-ember-codemod in linux"

This reverts commit 8ff5101.

Author: Kelly Selden

test/tests.js

@@ -113,10 +113,6 @@ describe('runs codemods', function() {
         this.skip();
       }
 
-      if (['es5-getter-ember-codemod'].includes(codemod) && ['linux'].includes(process.platform)) {
-        this.skip();
-      }
-
       async function _merge(src, dest) {
         await fs.copy(
           path.join(codemodsFixturesPath, codemod, src, commitMessage),