Revert "Use Gradle embedded within the "grails" process. Fixes #9640"

This reverts commit 9134bc8.

Author: graemerocher

grails-shell/src/main/groovy/org/grails/cli/gradle/GradleUtil.groovy

@@ -24,7 +24,6 @@ import groovy.transform.stc.FromString
 import groovy.transform.stc.SimpleType
 import org.gradle.tooling.*
 import org.gradle.tooling.internal.consumer.DefaultCancellationTokenSource
-import org.gradle.tooling.internal.consumer.DefaultGradleConnector
 import org.grails.build.logging.GrailsConsoleErrorPrintStream
 import org.grails.build.logging.GrailsConsolePrintStream
 import org.grails.cli.profile.ExecutionContext
@@ -80,16 +79,7 @@ class GradleUtil {
     }
 
     public static ProjectConnection openGradleConnection(File baseDir) {
-        DefaultGradleConnector connector = (DefaultGradleConnector)GradleConnector.newConnector()
-
-        GradleConnector gradleConnector
-
-        SystemOutErrCapturer.withNullOutput {
-            gradleConnector = connector
-                    .embedded(true)
-                    .forProjectDirectory(baseDir)
-        }
-
+        GradleConnector gradleConnector = GradleConnector.newConnector().forProjectDirectory(baseDir)
         if (System.getenv("GRAILS_GRADLE_HOME")) {
             gradleConnector.useInstallation(new File(System.getenv("GRAILS_GRADLE_HOME")))
         }