test: Revert "test: split cgroup memory test by architecture for different OOM signals"

This reverts commit 9c6d5cd.

Author: koki-develop

e2e/tests/security/cgroup.yml

@@ -1,6 +1,5 @@
 tests:
   - name: "memory allocation beyond cgroup limit is killed"
-    arch: [amd64]
     requests:
       - input:
           runtime: go
@@ -37,42 +36,3 @@ tests:
               exit_code: 137
               status: "SIGNAL"
               signal: "SIGKILL"
-
-  - name: "memory allocation beyond cgroup limit is killed"
-    arch: [arm64]
-    requests:
-      - input:
-          runtime: go
-          files:
-            - name: main.go
-              type: plain
-              content: |
-                package main
-
-                func main() {
-                	chunks := make([][]byte, 0)
-                	for {
-                		chunk := make([]byte, 10*1024*1024)
-                		for i := 0; i < len(chunk); i += 4096 {
-                			chunk[i] = 1
-                		}
-                		chunks = append(chunks, chunk)
-                	}
-                }
-        output:
-          status: 200
-          body:
-            compile:
-              stdout: ""
-              stderr: ""
-              output: ""
-              exit_code: 0
-              status: "OK"
-              signal: null
-            run:
-              stdout: ""
-              stderr: ""
-              output: ""
-              exit_code: 139
-              status: "SIGNAL"
-              signal: "SIGSEGV"