reporting: remove footnote option

matlab/reports/@graph/display.m

@@ -44,11 +44,6 @@ disp([name '.ylabel = ']);
 disp(' ');
 disp(['     ''' o.ylabel '''']);
 
-disp(' ');
-disp([name '.footnote = ']);
-disp(' ');
-disp(['     ''' o.footnote '''']);
-
 disp(' ');
 disp([name '.figname = ']);
 disp(' ');

matlab/reports/@graph/graph.m

@@ -38,7 +38,6 @@ o.seriesElements = seriesElements();
 o.title = '';
 o.ylabel = '';
 o.xlabel = '';
-o.footnote = '';
 
 o.figname = '';
 o.data = '';
@@ -87,7 +86,6 @@ end
 
 % Check options provided by user
 assert(ischar(o.title), '@graph.graph: title must be a string');
-assert(ischar(o.footnote), '@graph.graph: footnote must be a string');
 assert(ischar(o.xlabel), '@graph.graph: xlabel file must be a string');
 assert(ischar(o.ylabel), '@graph.graph: ylabel file must be a string');
 assert(ischar(o.figname), '@graph.graph: figname must be a string');

matlab/reports/@table/display.m

@@ -34,11 +34,6 @@ disp([name '.title = ']);
 disp(' ');
 disp(['     ''' o.title '''']);
 
-disp(' ');
-disp([name '.footnote = ']);
-disp(' ');
-disp(['     ''' o.footnote '''']);
-
 disp(' ');
 disp([name '.showHlines = ']);
 disp(' ');

matlab/reports/@table/table.m

@@ -35,7 +35,6 @@ o.seriesElements = seriesElements();
 
 o.title = '';
 o.titleSize = 'large';
-o.footnote = '';
 
 o.showHlines = false;
 o.showVlines = false;
@@ -73,7 +72,6 @@ end
 
 % Check options provided by user
 assert(ischar(o.title), '@table.table: title must be a string');
-assert(ischar(o.footnote), '@table.table: footnote must be a string');
 assert(islogical(o.showHlines), '@table.table: showHlines must be true or false');
 assert(islogical(o.showVlines), '@table.table: showVlines must be true or false');
 assert(isint(o.precision), '@table.table: precision must be an int');