Remove unnecessary and bogus image.

Change-Id: Id7fcbf082ecdc36b38bb18dc42240c41c71f2e72
diff --git a/example-individual-committer-agreement-signature-block.gif b/example-individual-committer-agreement-signature-block.gif
deleted file mode 100644
index e31992d..0000000
--- a/example-individual-committer-agreement-signature-block.gif
+++ /dev/null
Binary files differ