Remove nwfilter tech driver 'removeRules' callback

The 'removeRules' callback in the nwfilter tech driver is never
invoked, so can be deleted.
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>

src/nwfilter/nwfilter_ebiptables_driver.c

@@ -4045,45 +4045,6 @@ ebiptablesTearOldRules(const char *ifname)
 }
 
 
-/**
- * ebiptablesRemoveRules:
- * @ifname : the name of the interface to which the rules apply
- * @nRuleInstance : the number of given rules
- * @_inst : array of rule instantiation data
- *
- * Remove all rules one after the other
- *
- * Return 0 on success, -1 if execution of one or more cleanup
- * commands failed.
- */
-static int
-ebiptablesRemoveRules(const char *ifname ATTRIBUTE_UNUSED,
-                      int nruleInstances,
-                      void **_inst)
-{
-    int rc = -1;
-    size_t i;
-    virBuffer buf = VIR_BUFFER_INITIALIZER;
-    ebiptablesRuleInstPtr *inst = (ebiptablesRuleInstPtr *)_inst;
-
-    NWFILTER_SET_EBTABLES_SHELLVAR(&buf);
-
-    for (i = 0; i < nruleInstances; i++)
-        ebiptablesInstCommand(&buf,
-                              inst[i]->commandTemplate,
-                              'D', -1,
-                              false);
-
-    if (ebiptablesExecCLI(&buf, true, NULL) < 0)
-        goto cleanup;
-
-    rc = 0;
-
- cleanup:
-    return rc;
-}
-
-
 /**
  * ebiptablesAllTeardown:
  * @ifname : the name of the interface to which the rules apply
@@ -4143,7 +4104,6 @@ virNWFilterTechDriver ebiptables_driver = {
     .tearNewRules        = ebiptablesTearNewRules,
     .tearOldRules        = ebiptablesTearOldRules,
     .allTeardown         = ebiptablesAllTeardown,
-    .removeRules         = ebiptablesRemoveRules,
     .freeRuleInstance    = ebiptablesFreeRuleInstance,
     .displayRuleInstance = ebiptablesDisplayRuleInstance,
 

src/nwfilter/nwfilter_tech_driver.h

@@ -58,10 +58,6 @@ typedef int (*virNWFilterRuleTeardownNewRules)(const char *ifname);
 
 typedef int (*virNWFilterRuleTeardownOldRules)(const char *ifname);
 
-typedef int (*virNWFilterRuleRemoveRules)(const char *ifname,
-                                          int nruleInstances,
-                                          void **_inst);
-
 typedef int (*virNWFilterRuleAllTeardown)(const char *ifname);
 
 typedef int (*virNWFilterRuleFreeInstanceData)(void * _inst);
@@ -97,7 +93,6 @@ struct _virNWFilterTechDriver {
     virNWFilterRuleApplyNewRules applyNewRules;
     virNWFilterRuleTeardownNewRules tearNewRules;
     virNWFilterRuleTeardownOldRules tearOldRules;
-    virNWFilterRuleRemoveRules removeRules;
     virNWFilterRuleAllTeardown allTeardown;
     virNWFilterRuleFreeInstanceData freeRuleInstance;
     virNWFilterRuleDisplayInstanceData displayRuleInstance;