[C++] Remove move constructor and move assignment operator.

The copy versions are defined to be the same implementation. C++11 and onward falls back to copying where move methods are not defined.

Author: denizevrenci

sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/cpp/CppGenerator.java

@@ -1455,17 +1455,6 @@ private static CharSequence generateConstructorsAndOperators(final String classN
  " {\n" +
  " reset(codec);\n" +
  " }\n\n" +
- "#if __cplusplus >= 201103L\n" +
- " %1$s(%1$s&& codec)\n" +
- " {\n" +
- " reset(codec);\n" +
- " }\n\n" +
- " %1$s& operator=(%1$s&& codec)\n" +
- " {\n" +
- " reset(codec);\n" +
- " return *this;\n" +
- " }\n\n" +
- "#endif\n\n" +
  " %1$s& operator=(const %1$s& codec)\n" +
  " {\n" +
  " reset(codec);\n" +