Address FIXME's in sysctl.py (#69175)

* Address FIXME's in sysctl.py

* Added changelog fragment

* Updated check

* Update conditions

* if not instead of is None

* Restore and delete FIXME comments

changelogs/fragments/69175-address-fixmes-sysctl.yaml

@@ -0,0 +1,2 @@
+bugfixes:
+- sysctl - Remove FIXME comments to avoid confusion

lib/ansible/module_utils/facts/virtual/sysctl.py

@@ -26,7 +26,6 @@ class VirtualSysctlDetectionMixin(object):
     def detect_virt_product(self, key):
         virtual_product_facts = {}
         self.detect_sysctl()
-        # FIXME: exit early on falsey self.sysctl_path and unindent
         if self.sysctl_path:
             rc, out, err = self.module.run_command("%s -n %s" % (self.sysctl_path, key))
             if rc == 0:
@@ -57,7 +56,6 @@ class VirtualSysctlDetectionMixin(object):
     def detect_virt_vendor(self, key):
         virtual_vendor_facts = {}
         self.detect_sysctl()
-        # FIXME: exit early on falsey self.sysctl_path and unindent
         if self.sysctl_path:
             rc, out, err = self.module.run_command("%s -n %s" % (self.sysctl_path, key))
             if rc == 0: