Build task ":server:sonar-web:yarn_run" should produce same result outside of CI

While this adds quite some overhead, benefit is that
remote Gradle cache entry can be used locally.

build.gradle

@@ -62,7 +62,6 @@ allprojects {
 
   ext {
     release = project.hasProperty('release') && project.getProperty('release')
-    ci = project.hasProperty('ci') && project.getProperty('ci')
     official = project.hasProperty('official') && project.getProperty('official')
   }
 

server/sonar-web/build.gradle

@@ -15,9 +15,6 @@ apply plugin: 'com.moowork.node'
 def webappDir = "${buildDir}/webapp"
 
 yarn_run {
-  inputs.property('release', release)
-  inputs.property('ci', ci)
-
   ['config', 'public', 'scripts', 'src', '../sonar-docs/src'].each {
     inputs.dir(it).withPathSensitivity(PathSensitivity.RELATIVE)
   }
@@ -26,7 +23,7 @@ yarn_run {
   }
   outputs.dir(webappDir)
   outputs.cacheIf { true }
-  args = [release || ci ? 'build-release' : 'build']
+  args = ['build-release']
 }
 build.dependsOn(yarn_run)