Remove unnecessary context from some util functions.

src/parser/footnote_definition.rs

@@ -39,7 +39,7 @@ pub fn footnote_definition<'r, 's>(
             "Cannot nest objects of the same element".into(),
         ))));
     }
-    start_of_line(context, input)?;
+    start_of_line(input)?;
     // Cannot be indented.
     let (remaining, (_lead_in, lbl, _lead_out, _ws)) =
         tuple((tag_no_case("[fn:"), label, tag("]"), space0))(input)?;
@@ -80,7 +80,6 @@ fn footnote_definition_end<'r, 's>(
     context: Context<'r, 's>,
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, OrgSource<'s>> {
-    let start_of_line_matcher = parser_with_context!(start_of_line)(context);
     let allow_nesting_context =
         context.with_additional_node(ContextElement::Context("allow nesting footnotes"));
     let footnote_definition_matcher = parser_with_context!(footnote_definition)(
@@ -98,7 +97,7 @@ fn footnote_definition_end<'r, 's>(
             footnote_definition_matcher,
         ))),
         recognize(tuple((
-            start_of_line_matcher,
+            start_of_line,
             verify(many1(blank_line), |lines: &Vec<OrgSource<'_>>| {
                 lines.len() >= 2
             }),