Fix mermaid graph

ARCHITECTURE.md

@@ -1,45 +1,9 @@
-```mermaid
-flowchart TD
-
-prompt_connection_andor_frame_color["prompt_connection_andor_frame_color
-(skipped if 16 color, or if there is no frame and no prompt connection)"]
-
-Style[style] --> prompt_colors
-
-prompt_colors -- "16 colors" --> show_time
-prompt_colors -- "True Color \n lean" --> show_time
-prompt_colors -- "True Color \n rainbow" --> show_time
-prompt_colors -- "True Color \n classic" --> classic_prompt_color
-
-classic_prompt_color --> show_time
-
-show_time -- "lean" --> lean_prompt_height
-show_time -- "classic" --> classic_prompt_separators
-show_time -- "rainbow" --> rainbow_prompt_separators
-
-lean_prompt_height -- "One Line" --> prompt_connection_andor_frame_color
-lean_prompt_height -- "Two Line" --> prompt_connection
-
-classic_prompt_separators --> powerline_prompt_heads
-rainbow_prompt_separators --> powerline_prompt_heads
+Here is a simple flow chart:
 
-powerline_prompt_heads --> powerline_prompt_tails
-powerline_prompt_tails --> powerline_prompt_style
-
-powerline_prompt_style -- "One Line" --> prompt_connection_andor_frame_color
-powerline_prompt_style -- "Two Line" --> prompt_connection
-
-prompt_connection -- "lean" --> prompt_connection_andor_frame_color
-prompt_connection -- "classic" --> powerline_prompt_right_frame
-prompt_connection -- "rainbow" --> powerline_prompt_right_frame
-
-powerline_prompt_right_frame --> prompt_connection_andor_frame_color
-
-prompt_connection_andor_frame_color --> prompt_spacing
-
-prompt_spacing --> icons
-
-icons --> transient
-
-transient --> finish
+```mermaid
+graph TD;
+    A-->B;
+    A-->C;
+    B-->D;
+    C-->D;
 ```