Merge remote-tracking branch 'origin/topic/johanna/gh-375-remove-brofile-cache'

* origin/topic/johanna/gh-375-remove-brofile-cache:
  Remove the BroFile cache

Fixes GH-375

testing/btest/Baseline/core.file-caching-cloning/one0

@@ -1,4 +0,0 @@
-opened
-write 0
-write 3
-write 6

testing/btest/Baseline/core.file-caching-cloning/one1

@@ -1,4 +0,0 @@
-opened
-write 1
-write 4
-write 7

testing/btest/Baseline/core.file-caching-cloning/one2

@@ -1,4 +0,0 @@
-opened
-write 2
-write 5
-write 8

testing/btest/Baseline/core.file-caching-cloning/two0

@@ -1,6 +0,0 @@
-opened
-write 0
-opened
-write 3
-opened
-write 6

testing/btest/Baseline/core.file-caching-cloning/two1

@@ -1,6 +0,0 @@
-opened
-write 1
-opened
-write 4
-opened
-write 7

testing/btest/Baseline/core.file-caching-cloning/two2

@@ -1,6 +0,0 @@
-opened
-write 2
-opened
-write 5
-opened
-write 8

testing/btest/core/file-caching-cloning.test

@@ -1,49 +0,0 @@
-# This checks that the interactions between open-file caching and
-# cloning works ok.  In the first case, all files can fit
-# in the cache, but get cloned before every write.  In the
-# second case, files are eventually forced out of the cache; later writing
-# requires re-opening.
-
-# @TEST-EXEC: zeek -b %INPUT "test_file_prefix=one"
-# @TEST-EXEC: btest-diff one0
-# @TEST-EXEC: btest-diff one1
-# @TEST-EXEC: btest-diff one2
-# @TEST-EXEC: zeek -b %INPUT "test_file_prefix=two" "max_files_in_cache=2"
-# @TEST-EXEC: btest-diff two0
-# @TEST-EXEC: btest-diff two1
-# @TEST-EXEC: btest-diff two2
-
-const test_file_prefix = "" &redef;
-global file_table: table[string] of file;
-global iterations: vector of count = vector(0,1,2,3,4,5,6,7,8);
-
-function write_to_file(c: count)
-	{
-	local f: file;
-	# Take turns writing across three output files.
-	local filename = fmt("%s%s", test_file_prefix, c % 3 );
-
-	if ( filename in file_table )
-		f = file_table[filename];
-	else
-		{
-		f = open(filename);
-		file_table[filename] = f;
-		}
-
-	# This when block is a trick to get the frame cloned
-	# and thus serialize the local file value
-	when ( local s = fmt("write %d", c) )
-		print f, s;
-	}
-
-event file_opened(f: file)
-	{
-	print f, "opened";
-	}
-
-event zeek_init()
-	{
-	for ( i in iterations )
-		write_to_file(iterations[i]);
-	}