[246777] TaglibIndex classpath cache not removed when project deleted

bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/taglib/TaglibIndex.java

diff --git a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/taglib/TaglibIndex.java b/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/taglib/TaglibIndex.java
index 4836346..7785fc0 100644
--- a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/taglib/TaglibIndex.java
+++ b/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/taglib/TaglibIndex.java
@@ -245,6 +245,7 @@
 											Logger.log(Logger.INFO, "removing index of " + description.fProject.getName()); //$NON-NLS-1$
 										}
 										description.clear();
+										removeIndex(description.fProject);
 									}
 								}
 							}