clearfiy structure

data/web/inc/presets/sieve/sieve_1.yml

@@ -1,7 +0,0 @@
-headline: lang.sieve_preset_1
-content: |
-  if header :contains "x-attached"
-    [".exe",".bat",".js",".com",".cmd",".ini",".dll",".bas",".cpl",".drv",".inf",".sys",".pif",".doc",".docx"] {
-    discard;
-    stop;
-  }

data/web/inc/presets/sieve/sieve_2.yml

@@ -1,7 +0,0 @@
-headline: lang.sieve_preset_2
-content: |
-  require ["envelope", "imap4flags"];
-  if envelope "from" "mark@me-read.com"
-  {
-     setflag "\\seen";
-  }