Drop the SMB-share note from .gitattributes; the tree is local now

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

.gitattributes

@@ -1,4 +1,3 @@
-# The worktree lives on an SMB share that a Windows client also writes to.
-# Without this it writes CRLF back, which makes build.sh unexecutable on Linux
+# Keep LF everywhere. CRLF makes build.sh unexecutable on Linux
 # (the interpreter becomes "/bin/bash\r").
 * text=auto eol=lf