feat(api): drop explicit media classification on asset uploads (#2530)

fluxer_docs/src/content/docs/http-api/applications.mdx

@@ -455,7 +455,6 @@ Fluxer checks the decoded bytes of `avatar` and `banner` against the instance's
 | 400 | [error response](/http-api/#error-response) | No discriminator can be allocated for the requested username (`USERNAME_NOT_AVAILABLE`) |
 | 400 | [error response](/http-api/#error-response) | The discriminator differs from the current one |
 | 400 | [error response](/http-api/#error-response) | The image is malformed, oversized, or an unsupported format |
-| 400 | [error response](/http-api/#error-response) | The image is marked explicit (`EXPLICIT_CONTENT_CANNOT_BE_SENT`) |
 | 400 | [error response](/http-api/#error-response) | The tag change allowance is exhausted |
 | 403 | [error response](/http-api/#error-response) | The credential is a bot or bearer token, or the caller does not own the application (`ACCESS_DENIED`) |
 | 403 | [error response](/http-api/#error-response) | The username or biography is blocked (`CONTENT_BLOCKED`) |