Remove deprecated use_tpool parameter

... because it was deprecated during Yoga cycle[1].

[1] 1b1e2eb809

Change-Id: I51c0e0f0519a3802adecc8473640bbb5219d87b6

manifests/api.pp

@@ -211,11 +211,6 @@
 #
 # DEPRECATED PARAMETERS
 #
-# [*use_tpool*]
-#   Enable the experimental use of thread pooling for
-#   all DB API calls
-#   Default: $::os_service_default
-#
 # [*ssl_insecure*]
 #   Verify HTTPS connections.
 #   Default: undef
@@ -276,7 +271,6 @@ class ec2api::api (
   $service_name                       = $::ec2api::params::api_service_name,
   $enabled                            = true,
   # DEPRECATED PARAMETERS
-  $use_tpool                          = undef,
   $ssl_insecure                       = undef,
 ) inherits ec2api::params {
 
@@ -327,13 +321,6 @@ class ec2api::api (
     'DEFAULT/state_path':                         value => $state_path;
   }
 
-  if $use_tpool != undef {
-    warning('The use_tpool parameter is deprecated and will be removed in a future release.')
-  }
-  ec2api_config {
-    'DEFAULT/use_tpool': value => pick($use_tpool, $::os_service_default);
-  }
-
   if $ssl_insecure != undef {
     warning('The ssl_insecure parameter is deprecated and has no effect.')
   }

releasenotes/notes/remove-use_tpool-4c85eaab8e200a65.yaml

@@ -0,0 +1,4 @@
+---
+upgrade:
+  - |
+    The ``ec2api::api::use_tpool`` parameter has been removed.

spec/classes/ec2api_api_spec.rb

@@ -42,7 +42,6 @@ describe 'ec2api::api', type: :class do
         DEFAULT/full_vpc_support
         DEFAULT/ec2_private_dns_show_ip
         DEFAULT/default_flavor
-        DEFAULT/use_tpool
         DEFAULT/fatal_exception_format_errors
         DEFAULT/tempdir
         DEFAULT/pybasedir