Replace setup.py with requirements.txt text

Changes:
     - Remove setup.py file which is outdated
     - Add requirements.txt file since FFDC is
       designed to run as stand-alone and not
       tightly integrated with the framework.
Tested: - NA
Change-Id: I2b10506cc9a9aa00db70da779b6067e9d8a8cb26
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/ffdc/requirements.txt b/ffdc/requirements.txt
new file mode 100644
index 0000000..2528c18
--- /dev/null
+++ b/ffdc/requirements.txt
@@ -0,0 +1,5 @@
+click
+logger
+PyYAML
+paramiko
+