[GR-2798] Revert LabsJDK dependency and update Truffle version.

PullRequest: fastr/1147

ci.hocon

@@ -6,7 +6,7 @@
 # java 7 is needed by Truffle (for now)
 java7 : {name : oraclejdk, version : "7",    platformspecific: true}
 # java 8 must be a jvmci enabled variant
-java8 : {name : labsjdk, version : "8u141-jvmci-0.34", platformspecific: true}
+java8 : {name : labsjdk, version : "8-jvmci-latest", platformspecific: true}
 java9 : {name : labsjdk, version : "9-ea+168", platformspecific: true}
 
 java8Downloads : {

mx.fastr/.project

-<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
-	<name>mx.fastr</name>
-	<comment></comment>
-	<projects>
-		<project>mx</project>
-		<project>mx.graal</project>
-		<project>mx.jvmci</project>
-	</projects>
-	<buildSpec>
-		<buildCommand>
-			<name>org.python.pydev.PyDevBuilder</name>
-			<arguments>
-			</arguments>
-		</buildCommand>
-	</buildSpec>
-	<natures>
-		<nature>org.python.pydev.pythonNature</nature>
-	</natures>
-</projectDescription>

mx.fastr/.pydevproject

-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<?eclipse-pydev version="1.0"?>
-
-<pydev_project>
-<pydev_property name="org.python.pydev.PYTHON_PROJECT_INTERPRETER">Default</pydev_property>
-<pydev_property name="org.python.pydev.PYTHON_PROJECT_VERSION">python 2.7</pydev_property>
-<pydev_pathproperty name="org.python.pydev.PROJECT_SOURCE_PATH">
-<path>/mx.fastr</path>
-</pydev_pathproperty>
-<pydev_pathproperty name="org.python.pydev.PROJECT_SOURCE_PATH">
-<path>/mx</path>
-</pydev_pathproperty>
-
-</pydev_project>

mx.fastr/suite.py

@@ -29,7 +29,7 @@ suite = {
             {
                "name" : "truffle",
                "subdir" : True,
-               "version" : "73196584fec60b58ff8d70fd1c3d29cc2634d557",
+               "version" : "91fb53bf8827298be8541caca3f22b096bbad0ea",
                "urls" : [
                     {"url" : "https://github.com/graalvm/graal", "kind" : "git"},
                     {"url" : "https://curio.ssw.jku.at/nexus/content/repositories/snapshots", "kind" : "binary"},