[DOCS] Use consistent line breaks in EQL function docs

docs/reference/eql/functions.asciidoc

@@ -53,7 +53,6 @@ between(null, "system32\\\\", ".exe")                   // returns null
 ----
 
 *Syntax*
-
 [source,txt]
 ----
 between(<source>, <left>, <right>[, <greedy_matching>, <case_sensitive>])
@@ -165,7 +164,6 @@ endsWith(null, null)                      // returns null
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 *Syntax*
-
 [source,txt]
 ----
 endsWith(<source>, <substring>)
@@ -295,7 +293,6 @@ startsWith(null, null)                  // returns null
 ----
 
 *Syntax*
-
 [source,txt]
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 startsWith(<source>, <substring>)
@@ -397,7 +394,6 @@ substring("start regsvr32.exe", -4, -1)   // returns ".ex"
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 *Syntax*
-
 [source,txt]
 ----
 substring(<source>, <start_pos>[, <end_pos>])
@@ -463,7 +459,6 @@ wildcard(process.name, null)                        // returns null
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 *Syntax*
-
 [source,txt]
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 wildcard(<source>, <wildcard_exp>[, ...])