Remove dead code_with_context helper (#260)

* Remove dead code_with_context helper

code_with_context has had no caller since display_invalid_blocks.rb was introduced in b57fe7f. display_block builds and renders the context directly.

* Remove blank line

---------

Co-authored-by: Earlopain <14981592+Earlopain@users.noreply.github.com>

Author: nvasilevski

lib/syntax_suggest/display_invalid_blocks.rb

@@ -66,18 +66,5 @@ def call
       # Output code
       @io.puts(document)
     end
-
-    private def code_with_context
-      lines = CaptureCodeContext.new(
-        blocks: @blocks,
-        code_lines: @code_lines
-      ).call
-
-      DisplayCodeWithLineNumbers.new(
-        lines: lines,
-        terminal: @terminal,
-        highlight_lines: @invalid_lines
-      ).call
-    end
   end
 end