fix: get rid of the flow chart

README.md

@@ -11,17 +11,6 @@ A secure, self-hostable "burn after reading" paste service with ephemeral storag
 - Fast and reliable
 - Written in Gleam (type-safe)
 
-## Flowchart
-
-```mermaid
-graph TD
-    A[User creates paste] --> B[Paste is stored in memory]
-    B --> C[Paste is deleted after first view]
-    C --> D[User shares paste URL]
-    D --> E[User views paste]
-    E --> F[Paste is deleted]
-```
-
 ## Configuration
 
 ### SECRET_KEY_BASE (Required for Production)