remove unnecessary type constraints in methods (#63)

Author: Sid-Bhatia-0

src/drawing.jl

@@ -110,7 +110,7 @@ function draw_text_line_with_slider_in_a_box!(image, bounding_box, slider_value,
     return nothing
 end
 
-function draw_widget!(image::AbstractMatrix, widget_type::AbstractWidgetType, bounding_box::SD.Rectangle, args...; kwargs...)
+function draw_widget!(image, widget_type, bounding_box, args...; kwargs...)
     if SD.is_outbounds(image, bounding_box)
         return nothing
     end

src/layout.jl

@@ -208,7 +208,7 @@ julia> SimpleIMGUI.get_alignment_bounding_box(bounding_box, alignment, padding,
 SimpleDraw.Rectangle{Int64}(SimpleDraw.Point{Int64}(9, 22), 3, 6)
 ```
 """
-function get_alignment_bounding_box(bounding_box::SD.Rectangle, alignment::Alignment, padding, height, width)
+function get_alignment_bounding_box(bounding_box, alignment, padding, height, width)
     i_offset, j_offset = get_alignment_offset(bounding_box.height, bounding_box.width, alignment, padding, height, width)
     return SD.Rectangle(SD.move(bounding_box.position, i_offset, j_offset), height, width)
 end