[CI] Unmute failing windows tests (#73914)

This commit reverts #73709 since #73837 has reverted the changes
that were causing these test failures.

Author: fcofdez

qa/smoke-test-plugins/build.gradle

@@ -7,7 +7,6 @@
  */
 
 
-import org.elasticsearch.gradle.OS
 import org.elasticsearch.gradle.internal.MavenFilteringHack
 import org.elasticsearch.gradle.internal.info.BuildParams
 
@@ -41,8 +40,3 @@ tasks.named("processTestResources").configure {
   inputs.properties(expansions)
   MavenFilteringHack.filter(it, expansions)
 }
-
-// AwaitsFix https://github.com/elastic/elasticsearch/issues/73539
-tasks.named("integTest").configure {
-  onlyIf { OS.current() != OS.WINDOWS }
-}

x-pack/plugin/repository-encrypted/build.gradle

@@ -1,5 +1,3 @@
-import org.elasticsearch.gradle.OS
-
 evaluationDependsOn(xpackModule('core'))
 
 apply plugin: 'elasticsearch.internal-es-plugin'
@@ -31,8 +29,3 @@ dependencies {
     // for encrypted GCS repository integ tests
     internalClusterTestRuntimeOnly 'com.google.guava:guava:26.0-jre'
 }
-
-// AwaitsFix https://github.com/elastic/elasticsearch/issues/73539
-tasks.named("internalClusterTest").configure {
-  onlyIf { OS.current() != OS.WINDOWS }
-}