[LyX/2.3.x] Revove unused variable

[Juergen Spitzmueller]

commit a26173f171bbb11504f3d81f0d882bd6b6e67359
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Fri Feb 16 17:47:14 2018 +0100

    Revove unused variable
---
 src/Paragraph.cpp |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/src/Paragraph.cpp b/src/Paragraph.cpp
index 52bc993..135cd80 100644
--- a/src/Paragraph.cpp
+++ b/src/Paragraph.cpp
@@ -1442,8 +1442,6 @@ void Paragraph::Private::validate(LaTeXFeatures & 
features) const
                // output is wrong if this paragraph contains content
                // that needs to switch encoding.
                Buffer const & buf = inset_owner_->buffer();
-               BufferParams const & bp = features.runparams().is_child
-                       ? buf.masterParams() : buf.params();
                otexstringstream os;
                os << layout_->preamble();
                size_t const length = os.length();