FileAnalysis: finish switching hooks to events.

src/types.bif

@@ -231,42 +231,6 @@ module FileAnalysis;
 
 type ActionArgs: record;
 
-## An enumeration of significant things that can occur over the course of
-## analyzing files.  The :bro:see:`FileAnalysis::policy` hook is called each
-## time a trigger occurs.
-enum Trigger %{
-
-	## Raised when any part of a new file is detected.
-	TRIGGER_NEW,
-
-	## Raised when file is detected being transported over a new network
-	## connection (other than the first).
-	TRIGGER_NEW_CONN,
-
-	## Raised when file analysis for a given file is aborted due
-	## to not seeing any data for it recently.  Note that this doesn't
-	## necessarily mean the full file wasn't seen (e.g. if the
-	## :bro:see:`fa_file` record indicates the file *total_bytes*
-	## isn't known).  Use :bro:see:`FileAnalysis::postpone_timeout`
-	## during a :bro:see:`FileAnalysis::policy` handler for this trigger to
-	## defer the timeout until later.
-	TRIGGER_TIMEOUT,
-
-	## Raised when the beginning of a file is detected.
-	TRIGGER_BOF,
-
-	## Raised when the beginning of a file is available in the *bof_buffer*
-	## field of :bro:see:`fa_file` and that beginning
-	## is at least the number of bytes indicated by the *bof_buffer_size* field.
-	TRIGGER_BOF_BUFFER,
-
-	## Raised when an initial guess at the file/mime type of a file is matched.
-	TRIGGER_TYPE,
-
-	## Raised when there's a missing chunk of data in the file stream.
-	TRIGGER_GAP,
-%}
-
 ## An enumeration of various file analysis actions that can be taken.
 enum Action %{