do not delete finally section when catch section is replaced with throws (IDEA-145842)

plugins/IntentionPowerPak/src/com/siyeh/ipp/exceptions/ConvertCatchToThrowsIntention.java

@@ -61,7 +61,7 @@ public class ConvertCatchToThrowsIntention extends Intention {
     addToThrowsList(throwsList, catchType);
     final PsiTryStatement tryStatement = catchSection.getTryStatement();
     final PsiCatchSection[] catchSections = tryStatement.getCatchSections();
-    if (catchSections.length > 1 || tryStatement.getResourceList() != null) {
+    if (catchSections.length > 1 || tryStatement.getResourceList() != null || tryStatement.getFinallyBlock() != null) {
       catchSection.delete();
     }
     else {

plugins/IntentionPowerPak/test/com/siyeh/ipp/exceptions/catchToThrows/LeaveFinallySection.java

@@ -0,0 +1,13 @@
+class C {
+  void f() {
+    try {
+      System.out.println();
+    }
+    cat<caret>ch (Exception exception) {
+      exception.printStackTrace();
+    }
+    finally {
+      System.out.println();
+    }
+  }
+}

plugins/IntentionPowerPak/test/com/siyeh/ipp/exceptions/catchToThrows/LeaveFinallySection_after.java

@@ -0,0 +1,9 @@
+class C {
+  void f() throws Exception {
+    try {
+      System.out.println();
+    } finally {
+      System.out.println();
+    }
+  }
+}

plugins/IntentionPowerPak/testSrc/com/siyeh/ipp/exceptions/ConvertCatchToThrowsTest.java

@@ -26,6 +26,7 @@ public class ConvertCatchToThrowsTest extends IPPTestCase {
   public void testArmWithSingleCatch() { doTest(); }
   public void testExistingThrows() { doTest(); }
   public void testLambda() { doTest(); }
+  public void testLeaveFinallySection() { doTest(); }
 
   @Override
   protected String getIntentionName() {