zig: Remove `folds.scm` (#9975)

Marshall Bowers created

This PR removes the `folds.scm` file from the `zig` extension, as Zed
doesn't make use of it.

Release Notes:

- N/A

Change summary

extensions/zig/languages/zig/folds.scm | 16 ----------------
1 file changed, 16 deletions(-)

Detailed changes

extensions/zig/languages/zig/folds.scm 🔗

@@ -1,16 +0,0 @@
-[
-  (Block)
-  (ContainerDecl)
-  (SwitchExpr)
-  (InitList)
-  (AsmExpr)
-  (ErrorSetDecl)
-  (LINESTRING)
-  (
-    [
-      (IfPrefix)
-      (WhilePrefix)
-      (ForPrefix)
-    ]
-  )
-] @fold