CLN: remove redundant LatexFormatter and tests (pandas-dev#52844)

Co-authored-by: JHM Darbyshire (iMac) <[email protected]>

Author: attack68

pandas/io/formats/format.py

@@ -1022,38 +1022,6 @@ class DataFrameRenderer:
     def __init__(self, fmt: DataFrameFormatter) -> None:
         self.fmt = fmt
 
-    def to_latex(
-        self,
-        buf: FilePath | WriteBuffer[str] | None = None,
-        column_format: str | None = None,
-        longtable: bool = False,
-        encoding: str | None = None,
-        multicolumn: bool = False,
-        multicolumn_format: str | None = None,
-        multirow: bool = False,
-        caption: str | tuple[str, str] | None = None,
-        label: str | None = None,
-        position: str | None = None,
-    ) -> str | None:
-        """
-        Render a DataFrame to a LaTeX tabular/longtable environment output.
-        """
-        from pandas.io.formats.latex import LatexFormatter
-
-        latex_formatter = LatexFormatter(
-            self.fmt,
-            longtable=longtable,
-            column_format=column_format,
-            multicolumn=multicolumn,
-            multicolumn_format=multicolumn_format,
-            multirow=multirow,
-            caption=caption,
-            label=label,
-            position=position,
-        )
-        string = latex_formatter.to_string()
-        return save_to_buffer(string, buf=buf, encoding=encoding)
-
     def to_html(
         self,
         buf: FilePath | WriteBuffer[str] | None = None,