Remove more Gradle metadata.

See wala#263.

Author: khatchad

.settings/org.eclipse.buildship.core.prefs

@@ -2,16 +2,12 @@
 <classpath>
 	<classpathentry excluding="**" kind="src" output="target/classes" path="data">
 		<attributes>
-			<attribute name="gradle_scope" value="main"/>
-			<attribute name="gradle_used_by_scope" value="main,test"/>
 			<attribute name="maven.pomderived" value="true"/>
 			<attribute name="optional" value="true"/>
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="src" output="target/classes" path="source">
 		<attributes>
-			<attribute name="gradle_scope" value="main"/>
-			<attribute name="gradle_used_by_scope" value="main,test"/>
 			<attribute name="optional" value="true"/>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>

com.ibm.wala.cast.python.jython.test/.settings/org.eclipse.buildship.core.prefs

@@ -2,17 +2,12 @@
 <classpath>
 	<classpathentry kind="src" output="bin/main" path="src/main/java">
 		<attributes>
-			<attribute name="gradle_scope" value="main"/>
-			<attribute name="gradle_used_by_scope" value="main,test"/>
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="src" output="bin/main" path="src/main/resources">
 		<attributes>
-			<attribute name="gradle_scope" value="main"/>
-			<attribute name="gradle_used_by_scope" value="main,test"/>
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
-	<classpathentry kind="con" path="org.eclipse.buildship.core.gradleclasspathcontainer"/>
 	<classpathentry kind="output" path="bin/default"/>
 </classpath>