doc: remove IBM z/OS in block of OS types

zhouwg · web-flow · commit 5d6f4f345376 · 2025-03-09T13:56:27.000+08:00
diff --git a/README.md b/README.md
@@ -315,7 +315,6 @@ block:OS
     Linux
     Android
     QNX
-    IBM_z/OS
 end
 
 block:hardware_vendors
