Fixed issued with duplicate chapter

Programming In General.tex

@@ -155,18 +155,10 @@ To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/
 \input{"./3 - Functional Programming/1.1 - Variables"}
 \vfill
 \pagebreak
-\section{Variables~}
-\input{"./3 - Functional Programming/1.1 - Variables~"}
-\vfill
-\pagebreak
 \section{Control Statements}
 \input{"./3 - Functional Programming/1.2 - Control Statements"}
 \vfill
 \pagebreak
-\section{Control Statements~}
-\input{"./3 - Functional Programming/1.2 - Control Statements~"}
-\vfill
-\pagebreak
 \section{Functions}
 \input{"./3 - Functional Programming/1.3 - Functions"}
 \vfill