For now keep the antlr/example grammars as is

They serve special purposes and are not normal grammars.

Author: mike-lischke

antlr/antlr4/examples/CPP14.g4

@@ -1,18 +1,6 @@
 // define a grammar called Hello
-
-// $antlr-format alignTrailingComments true, columnLimit 150, minEmptyLines 1, maxEmptyLinesToKeep 1, reflowComments false, useTab false
-// $antlr-format allowShortRulesOnASingleLine false, allowShortBlocksOnASingleLine true, alignSemicolons hanging, alignColons hanging
-
 grammar Hello;
+r   : 'hello' ID;
+ID  : [a-z]+ ;
+WS  : [ \t\r\n]+ -> skip ;
 
-r
-    : 'hello' ID
-    ;
-
-ID
-    : [a-z]+
-    ;
-
-WS
-    : [ \t\r\n]+ -> skip
-    ;

antlr/antlr4/examples/Hello.g4

@@ -1,10 +1,7 @@
-// $antlr-format alignTrailingComments true, columnLimit 150, minEmptyLines 1, maxEmptyLinesToKeep 1, reflowComments false, useTab false
-// $antlr-format allowShortRulesOnASingleLine false, allowShortBlocksOnASingleLine true, alignSemicolons hanging, alignColons hanging
-
 grammar Sample;
 
 options {
-    foo = {};
+ foo = {};
 }
 
 @members {

antlr/antlr4/examples/Issue1567.g4

@@ -1,9 +1,4 @@
 // Testing that lexer rules must not contain element labels.
-
-// $antlr-format alignTrailingComments true, columnLimit 150, maxEmptyLinesToKeep 1, reflowComments false, useTab false
-// $antlr-format allowShortRulesOnASingleLine true, allowShortBlocksOnASingleLine true, minEmptyLines 0, alignSemicolons ownLine
-// $antlr-format alignColons trailing, singleLineOverrulesHangingColon true, alignLexerCommands true, alignLabels true, alignTrailers true
-
 lexer grammar LexerElementLabel;
 
-Token: var = 'token';
+Token : var='token' ;