Remove requiresKeystore when not actually required (elastic/x-pack-elasticsearch#3697)

Original commit: elastic/x-pack-elasticsearch@6bdd4ae2dc

plugin/core/build.gradle

@@ -15,7 +15,7 @@ esplugin {
   description 'Elasticsearch Expanded Pack Plugin - Core'
   classname 'org.elasticsearch.xpack.core.XPackPlugin'
   hasNativeController false
-  requiresKeystore true
+  requiresKeystore false
   licenseFile project(':x-pack-elasticsearch').file('LICENSE.txt')
   noticeFile project(':x-pack-elasticsearch').file('NOTICE.txt')
 }

plugin/deprecation/build.gradle

@@ -6,7 +6,7 @@ esplugin {
     description 'Elasticsearch Expanded Pack Plugin - Deprecation'
     classname 'org.elasticsearch.xpack.deprecation.Deprecation'
     hasNativeController false
-    requiresKeystore true
+    requiresKeystore false
     extendedPlugins = ['x-pack-core']
     licenseFile project(':x-pack-elasticsearch').file('LICENSE.txt')
     noticeFile project(':x-pack-elasticsearch').file('NOTICE.txt')

plugin/graph/build.gradle

@@ -6,7 +6,7 @@ esplugin {
     description 'Elasticsearch Expanded Pack Plugin - Graph'
     classname 'org.elasticsearch.xpack.graph.Graph'
     hasNativeController false
-    requiresKeystore true
+    requiresKeystore false
     extendedPlugins = ['x-pack-core']
     licenseFile project(':x-pack-elasticsearch').file('LICENSE.txt')
     noticeFile project(':x-pack-elasticsearch').file('NOTICE.txt')

plugin/logstash/build.gradle

@@ -6,7 +6,7 @@ esplugin {
     description 'Elasticsearch Expanded Pack Plugin - Logstash'
     classname 'org.elasticsearch.xpack.logstash.Logstash'
     hasNativeController false
-    requiresKeystore true
+    requiresKeystore false
     extendedPlugins = ['x-pack-core']
     licenseFile project(':x-pack-elasticsearch').file('LICENSE.txt')
     noticeFile project(':x-pack-elasticsearch').file('NOTICE.txt')

plugin/ml/build.gradle

@@ -9,7 +9,7 @@ esplugin {
     description 'Elasticsearch Expanded Pack Plugin - Machine Learning'
     classname 'org.elasticsearch.xpack.ml.MachineLearning'
     hasNativeController true
-    requiresKeystore true
+    requiresKeystore false
     extendedPlugins = ['x-pack-core']
     licenseFile project(':x-pack-elasticsearch').file('LICENSE.txt')
     noticeFile project(':x-pack-elasticsearch').file('NOTICE.txt')

plugin/monitoring/build.gradle

@@ -9,7 +9,7 @@ esplugin {
     description 'Elasticsearch Expanded Pack Plugin - Monitoring'
     classname 'org.elasticsearch.xpack.monitoring.Monitoring'
     hasNativeController false
-    requiresKeystore true
+    requiresKeystore false
     extendedPlugins = ['x-pack-core']
     licenseFile project(':x-pack-elasticsearch').file('LICENSE.txt')
     noticeFile project(':x-pack-elasticsearch').file('NOTICE.txt')

plugin/upgrade/build.gradle

@@ -9,7 +9,7 @@ esplugin {
     description 'Elasticsearch Expanded Pack Plugin - Upgrade'
     classname 'org.elasticsearch.xpack.upgrade.Upgrade'
     hasNativeController false
-    requiresKeystore true
+    requiresKeystore false
     extendedPlugins = ['x-pack-core']
     licenseFile project(':x-pack-elasticsearch').file('LICENSE.txt')
     noticeFile project(':x-pack-elasticsearch').file('NOTICE.txt')

plugin/watcher/build.gradle

@@ -6,7 +6,7 @@ esplugin {
   description 'Elasticsearch Expanded Pack Plugin - Watcher'
   classname 'org.elasticsearch.xpack.watcher.Watcher'
   hasNativeController false
-  requiresKeystore true
+  requiresKeystore false
   extendedPlugins = ['x-pack-core']
   licenseFile project(':x-pack-elasticsearch').file('LICENSE.txt')
   noticeFile project(':x-pack-elasticsearch').file('NOTICE.txt')