fault: remove support for integer percentages (#4626)

This commit removes support for the previously deprecated integer
percentages in the fault subsystem.

Signed-off-by: Venil Noronha <veniln@vmware.com>

Mirrored from https://github.com/envoyproxy/envoy @ 7ccf67db45db8c4e9bc406488c8f1f2a8566f506

envoy/config/filter/fault/v2/fault.proto

@@ -24,13 +24,7 @@ message FaultDelay {
   // supported.
   FaultDelayType type = 1 [(validate.rules).enum.defined_only = true];
 
-  // An integer between 0-100 indicating the percentage of operations/connection requests
-  // on which the delay will be injected.
-  //
-  // .. attention::
-  //
-  //   Use of integer `percent` value is deprecated. Use fractional `percentage` field instead.
-  uint32 percent = 2 [(validate.rules).uint32.lte = 100, deprecated = true];
+  reserved 2;
 
   oneof fault_delay_secifier {
     option (validate.required) = true;

envoy/config/filter/http/fault/v2/fault.proto

@@ -13,13 +13,7 @@ import "validate/validate.proto";
 // Fault Injection :ref:`configuration overview <config_http_filters_fault_injection>`.
 
 message FaultAbort {
-  // An integer between 0-100 indicating the percentage of requests/operations/connections
-  // that will be aborted with the error code provided.
-  //
-  // .. attention::
-  //
-  //   Use of integer `percent` value is deprecated. Use fractional `percentage` field instead.
-  uint32 percent = 1 [(validate.rules).uint32.lte = 100, deprecated = true];
+  reserved 1;
 
   oneof error_type {
     option (validate.required) = true;
@@ -50,12 +44,12 @@ message HTTPFault {
   // Specifies a set of headers that the filter should match on. The fault
   // injection filter can be applied selectively to requests that match a set of
   // headers specified in the fault filter config. The chances of actual fault
-  // injection further depend on the value of the :ref:`percent
-  // <envoy_api_field_config.filter.http.fault.v2.FaultAbort.percent>` field. The filter will
-  // check the request's headers against all the specified headers in the filter
-  // config. A match will happen if all the headers in the config are present in
-  // the request with the same values (or based on presence if the *value* field
-  // is not in the config).
+  // injection further depend on the value of the :ref:`percentage
+  // <envoy_api_field_config.filter.http.fault.v2.FaultAbort.percentage>` field.
+  // The filter will check the request's headers against all the specified
+  // headers in the filter config. A match will happen if all the headers in the
+  // config are present in the request with the same values (or based on
+  // presence if the *value* field is not in the config).
   repeated envoy.api.v2.route.HeaderMatcher headers = 4;
 
   // Faults are injected for the specified list of downstream hosts. If this