Revert "feat: add preflight for ip forwarding" (#1470)

Revert "feat: add preflight for ip forwarding (#1449)"

This reverts commit 65f3996.

Author: laverya

pkg/preflights/host-preflight.yaml

@@ -148,10 +148,6 @@ spec:
         exclude: '{{ eq .GlobalCIDR.CIDR "" }}'
         CIDRRangeAlloc: '{{ .GlobalCIDR.CIDR }}'
         desiredCIDR: {{.GlobalCIDR.Size}}
-    - run:
-        collectorName: "kernel-parameters"
-        command: "sysctl"
-        args: ["-a"]
   analyzers:
     - cpu:
         checkName: CPU
@@ -838,14 +834,3 @@ spec:
           - pass:
               when: "a-subnet-is-available"
               message: Specified CIDR is available.
-    - textAnalyze:
-        checkName: IP forwarding
-        fileName: host-collectors/run-host/kernel-parameters.txt
-        regex: 'net.ipv4.ip_forward = 1'
-        outcomes:
-          - pass:
-              when: "true"
-              message: IP forwarding is enabled.
-          - fail:
-              when: "false"
-              message: IP forwarding must be enabled. To enable it, edit /etc/sysctl.conf, add or uncomment the line 'net.ipv4.ip_forward=1', and run 'sudo sysctl -p'.