CI: remove obsolete structcheck rules

lmb · ti-mo · commit 7b4b81064370 · 2023-10-11T14:10:41.000+02:00
structcheck was obsoleted a while ago. Remove the obsolete exclude
rules.

Signed-off-by: Lorenz Bauer &lt;lmb@isovalent.com&gt;
diff --git a/.golangci.yaml b/.golangci.yaml
@@ -1,11 +1,4 @@
 ---
-issues:
-  exclude-rules:
-    # syscall param structs will have unused fields in Go code.
-    - path: syscall.*.go
-      linters:
-        - structcheck
-
 linters:
   disable-all: true
   enable:
