Remove unnecessary context from some util functions.

src/parser/property_drawer.rs

@@ -44,7 +44,7 @@ pub fn property_drawer<'r, 's>(
         remaining,
         (_start_of_line, _leading_whitespace, _open_tag, _trailing_whitespace, _line_ending),
     ) = tuple((
-        parser_with_context!(start_of_line)(context),
+        start_of_line,
         space0,
         tag_no_case(":PROPERTIES:"),
         space0,
@@ -84,7 +84,7 @@ fn property_drawer_end<'r, 's>(
     input: OrgSource<'s>,
 ) -> Res<OrgSource<'s>, OrgSource<'s>> {
     recognize(tuple((
-        parser_with_context!(start_of_line)(context),
+        start_of_line,
         space0,
         tag_no_case(":end:"),
         space0,
@@ -99,7 +99,7 @@ fn node_property<'r, 's>(
 ) -> Res<OrgSource<'s>, NodeProperty<'s>> {
     let (remaining, (_start_of_line, _leading_whitespace, _open_colon, _name, _close_colon)) =
         tuple((
-            parser_with_context!(start_of_line)(context),
+            start_of_line,
             space0,
             tag(":"),
             parser_with_context!(node_property_name)(context),