Remove skips for VariableTableTest & VariableTableWithGenericTest

These tests were overly restrictive, causing failures.

Bug: 66905468
Test: ./art/tools/run-libjdwp-tests.sh --mode=host
Test: ./art/tools/run-jdwp-tests.sh --mode=host
Change-Id: I6d4313eda03f459bf9a7fd3f099238108d3a8f04
diff --git a/tools/external_oj_libjdwp_art_failures.txt b/tools/external_oj_libjdwp_art_failures.txt
index 1178af4..ce1160e 100644
--- a/tools/external_oj_libjdwp_art_failures.txt
+++ b/tools/external_oj_libjdwp_art_failures.txt
@@ -25,13 +25,6 @@
   name: "org.apache.harmony.jpda.tests.jdwp.ReferenceType.GetValues006Test#testGetValues006"
 },
 {
-  description: "Tests fail with assertion error on slot number",
-  result: EXEC_FAILED,
-  bug: 66905468,
-  names: [ "org.apache.harmony.jpda.tests.jdwp.Method.VariableTableTest#testVariableTableTest001",
-           "org.apache.harmony.jpda.tests.jdwp.Method.VariableTableWithGenericTest#testVariableTableWithGenericTest001" ]
-},
-{
   description: "Test fails with Error VM_DEAD when trying to resume during VM_DEATH event",
   result: EXEC_FAILED,
   bug: 66904725,