refactor: remove unused plugins

nvim/snippets/tex.snippets

@@ -1,54 +0,0 @@
-
-snippet mini \minipg{}{}[]
-	\\minipg{
-	$1
-	}
-	{${2}}[${3}]
-
-snippet code "code"
-	\\begin{lstlisting}
-	$1
-	\\end{lstlisting}
-
-snippet list "list" 
-	\\begin{itemize}
-	\\item $1
-	\\item $2
-	\\item $3
-	\\item $4
-	\\item $5
-	\\vspace{-3mm}
-	\\end{itemize}
-
-snippet enum "enumerate"
-	\\begin{enumerate}
-	\\item $1
-	\\item $2
-	\\item $3
-	\\item $4
-	\\item $5
-	\\vspace{-3mm}
-	\\end{enumerate}
-
-snippet table "table"
-	\\begin{table}[ht!]
-	\\section{${1}}
-	\\begin{tabular}{|m{0.2\linewidth}|m{0.755\linewidth}|}
-	\hline
-	$2
-	\hline
-	\\end{tabular}
-	\\end{table}
-
-snippet tabular "tabular"
-	\\begin{tabular}{|m{0.2\linewidth}|m{0.755\linewidth}|}
-	\hline
-	$1
-	\hline
-	\\end{tabular}
-
-snippet tx "textcolor"
-	\\textcolor{${1}}{${2}}
-
-snippet bm "vectormatrix"
-	\\begin{bmatrix} $1 \\ $2 \\ $3 \end{bmatrix}