remove unused images from docs assets

diff --git a/docs/assets/img/glyphicons-halflings-white.png b/docs/assets/img/glyphicons-halflings-white.png
deleted file mode 100644 (file)
index a20760b..0000000
Binary files a/docs/assets/img/glyphicons-halflings-white.png and /dev/null differ

diff --git a/docs/assets/img/glyphicons-halflings.png b/docs/assets/img/glyphicons-halflings.png
deleted file mode 100644 (file)
index 92d4445..0000000
Binary files a/docs/assets/img/glyphicons-halflings.png and /dev/null differ

diff --git a/docs/assets/img/grid-18px.png b/docs/assets/img/grid-18px.png
deleted file mode 100644 (file)
index b2f8879..0000000
Binary files a/docs/assets/img/grid-18px.png and /dev/null differ