Remove duplicate definition of DefEquals

Author: eernstg

specification/dart.sty

@@ -480,12 +480,6 @@
 \newcommand{\LowerBoundType}[2]{%
   \ensuremath{\LowerBoundTypeName(\code{{#1},\,\,{#2}})}}
 
-\newcommand{\DefEquals}[2]{\ensuremath{{#1}\stackrel{\vartriangle}{=}{#2}}}
-\newcommand{\DefEqualsNewline}[2]{
-  \ensuremath{{#1}\stackrel{\vartriangle}{=}}\\
-  \ensuremath{{#2}}%
-}
-
 % ----------------------------------------------------------------------
 % Support for hash valued Location Markers