remove bash_profile.sh for cowboy

frameworks/Erlang/cowboy/bash_profile.sh

@@ -1,3 +0,0 @@
-#!/bin/bash
-
-export REBAR_HOME=$IROOT/rebar

frameworks/Erlang/cowboy/setup_erlang.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+export REBAR_HOME=$IROOT/rebar
 
 sed -i 's|"benchmarkdbpass", ".*", 3306|"benchmarkdbpass", "'"${DBHOST}"'", 3306|g' src/hello_world_app.erl