Remove unnecessary virtual destructor

components/compiler/lineparser.cpp

@@ -59,8 +59,6 @@ namespace Compiler
        mExprParser (errorHandler, context, locals, literals), mAllowExpression (allowExpression)
     {}
 
-    LineParser::~LineParser() {}
-
     bool LineParser::parseInt (int value, const TokenLoc& loc, Scanner& scanner)
     {
         if (mAllowExpression && mState==BeginState)

components/compiler/lineparser.hpp

@@ -52,9 +52,6 @@ namespace Compiler
             ///< \param allowExpression Allow lines consisting of a naked expression
             /// (result is send to the messagebox interface)
 
-            virtual ~LineParser();
-            ///< destructor
-
             virtual bool parseInt (int value, const TokenLoc& loc, Scanner& scanner);
             ///< Handle an int token.
             /// \return fetch another token?