removed case for empty title in explainbox

compendium.tex

@@ -12,20 +12,12 @@
 % modified after:
 % https://ctan.ebinger.cc/tex-archive/macros/latex/contrib/mdframed/mdframed-example-default.pdf
 \newenvironment{explainbox}[1][]{%
-	\ifstrempty{#1}%
-	{\mdfsetup{%
+	\mdfsetup{
 		frametitle={%
 			\tikz[baseline = (current bounding box.east), outer sep = 0pt]
 			\node[anchor=east, rectangle, fill = explainboxframe!90]
-				{\strut "Title Empty"};}}%
-	}%
-	{\mdfsetup{%
-			frametitle={%
-				\tikz[baseline = (current bounding box.east), outer sep = 0pt]
-				\node[anchor=east, rectangle, fill = explainboxframe!90]
-				{\strut #1};}}%
-	}%
-	\mdfsetup{innertopmargin = 10pt, linecolor = explainboxframe!90,%
+			{\strut #1};},
+		innertopmargin = 10pt, linecolor = explainboxframe!90,%
 		linewidth = 2pt, topline = true,
 		frametitleaboveskip = \dimexpr-\ht\strutbox}
 	\begin{mdframed}[]\relax%
@@ -53,7 +45,7 @@
 \section*{Einleitung}
 
 dassda
-\begin{explainbox}[Zoogamie]
+\begin{explainbox}[]
 	bliblablub
 \end{explainbox}