Cleanup: Do not check pointers before deleting them.

core/src/fpdfdoc/pdf_vt.h

Index: core/src/fpdfdoc/pdf_vt.h
diff --git a/core/src/fpdfdoc/pdf_vt.h b/core/src/fpdfdoc/pdf_vt.h
index 5acab96fbdc4c985198e4b11d6cfa33e870f5f4c..a75490fcd587c6fcc8818fd5010a8a4ff7dfdc85 100644
--- a/core/src/fpdfdoc/pdf_vt.h
+++ b/core/src/fpdfdoc/pdf_vt.h
@@ -84,12 +84,8 @@ struct CPVT_SectionInfo {
     }
     virtual ~CPVT_SectionInfo()
     {
-        if (pSecProps) {
-            delete pSecProps;
-        }
-        if (pWordProps) {
-            delete pWordProps;
-        }
+        delete pSecProps;
+        delete pWordProps;
     }
     CPVT_SectionInfo(const CPVT_SectionInfo & other): rcSection(), nTotalLine(0), pSecProps(NULL), pWordProps(NULL)
     {
@@ -148,9 +144,7 @@ struct CPVT_WordInfo  {
     }
     virtual ~CPVT_WordInfo()
     {
-        if (pWordProps) {
-            delete pWordProps;
-        }
+        delete pWordProps;
     }
     CPVT_WordInfo(const CPVT_WordInfo & word): Word(0), nCharset(0),
         fWordX(0.0f), fWordY(0.0f), fWordTail(0.0f), nFontIndex(-1), pWordProps(NULL)