[gcc/devel/sphinx] Remove some leading comments - it makes troubles.

[gcc/devel/sphinx] Remove some leading comments - it makes troubles.

[Martin Liska]

https://gcc.gnu.org/g:6aa35533efeb01414f76b3316a22826f6d874a38

commit 6aa35533efeb01414f76b3316a22826f6d874a38
Author: Martin Liska <mliska@suse.cz>
Date:   Wed May 26 11:02:49 2021 +0200

    Remove some leading comments - it makes troubles.

Diff:
---
 gcc/doc/cppdiropts.texi  | 11 -----------
 gcc/doc/cppenv.texi      | 11 -----------
 gcc/doc/cppopts.texi     | 11 -----------
 gcc/doc/cppwarnopts.texi | 11 -----------
 4 files changed, 44 deletions(-)

diff --git a/gcc/doc/cppdiropts.texi b/gcc/doc/cppdiropts.texi
index 6757a38d577..392a6458512 100644
--- a/gcc/doc/cppdiropts.texi
+++ b/gcc/doc/cppdiropts.texi
@@ -1,14 +1,3 @@
-@c Copyright (C) 1999-2021 Free Software Foundation, Inc.
-@c This is part of the CPP and GCC manuals.
-@c For copying conditions, see the file gcc.texi.
-
-@c ---------------------------------------------------------------------
-@c Options affecting include directory search in the preprocessor
-@c ---------------------------------------------------------------------
-
-@c If this file is included with the flag ``cppmanual'' set, it is
-@c formatted for inclusion in the CPP manual; otherwise the main GCC manual.
-
 @item -I @var{dir}
 @itemx -iquote @var{dir}
 @itemx -isystem @var{dir}
diff --git a/gcc/doc/cppenv.texi b/gcc/doc/cppenv.texi
index 89749c0c6af..c26d58819ea 100644
--- a/gcc/doc/cppenv.texi
+++ b/gcc/doc/cppenv.texi
@@ -1,14 +1,3 @@
-@c Copyright (C) 1999-2021 Free Software Foundation, Inc.
-@c This is part of the CPP and GCC manuals.
-@c For copying conditions, see the file gcc.texi.
-
-@c ---------------------------------------------------------------------
-@c Environment variables affecting the preprocessor
-@c ---------------------------------------------------------------------
-
-@c If this file is included with the flag ``cppmanual'' set, it is
-@c formatted for inclusion in the CPP manual; otherwise the main GCC manual.
-
 @vtable @env
 @item CPATH
 @itemx C_INCLUDE_PATH
diff --git a/gcc/doc/cppopts.texi b/gcc/doc/cppopts.texi
index b941de6df1b..186e1c2e5de 100644
--- a/gcc/doc/cppopts.texi
+++ b/gcc/doc/cppopts.texi
@@ -1,14 +1,3 @@
-@c Copyright (C) 1999-2021 Free Software Foundation, Inc.
-@c This is part of the CPP and GCC manuals.
-@c For copying conditions, see the file gcc.texi.
-
-@c ---------------------------------------------------------------------
-@c Options affecting the preprocessor
-@c ---------------------------------------------------------------------
-
-@c If this file is included with the flag ``cppmanual'' set, it is
-@c formatted for inclusion in the CPP manual; otherwise the main GCC manual.
-
 @item -D @var{name}
 @opindex D
 Predefine @var{name} as a macro, with definition @code{1}.
diff --git a/gcc/doc/cppwarnopts.texi b/gcc/doc/cppwarnopts.texi
index f75519eacc6..fb001ae1088 100644
--- a/gcc/doc/cppwarnopts.texi
+++ b/gcc/doc/cppwarnopts.texi
@@ -1,14 +1,3 @@
-@c Copyright (C) 1999-2021 Free Software Foundation, Inc.
-@c This is part of the CPP and GCC manuals.
-@c For copying conditions, see the file gcc.texi.
-
-@c ---------------------------------------------------------------------
-@c Options affecting preprocessor warnings
-@c ---------------------------------------------------------------------
-
-@c If this file is included with the flag ``cppmanual'' set, it is
-@c formatted for inclusion in the CPP manual; otherwise the main GCC manual.
-
 @item -Wcomment
 @itemx -Wcomments
 @opindex Wcomment