Remove Windows batch file gitattributes workaround

The -text whitespace=cr-at-eol rule preventing CRLF conversion for
.cmd files is no longer needed. Allow batch files to use normalized
line endings.

.gitattributes

@@ -12,6 +12,3 @@
 /src/cli/bundled-skill-guides.ts text eol=lf
 # Bundled plugin trees are byte-hashed; CRLF checkout would break the pinned hash.
 /resources/plugins/** text eol=lf
-# LF-only batch files hit the Windows parser's 512-byte boundary bug; -text keeps
-# the stored bytes CRLF so no checkout or blob reader can see them as LF-only.
-/tests/e2e/fixtures/golden-stub-agent/*.cmd -text whitespace=cr-at-eol

tests/e2e/fixtures/golden-stub-agent/codex.cmd

@@ -1,2 +1,2 @@
-@echo off
-call "%~dp0golden-stub-agent.cmd" %*
+@echo off
+call "%~dp0golden-stub-agent.cmd" %*

tests/e2e/fixtures/golden-stub-agent/golden-stub-agent.cmd

@@ -1,2 +1,2 @@
-@echo off
-node "%~dp0golden-stub-agent.js" %*
+@echo off
+node "%~dp0golden-stub-agent.js" %*