Rollback a few recent Erlang changes to fix blame data

My combined patch for THRIFT-599 was committed, but it is preferable
commit the individual patches to preserve the more detailed log and
blame data.  I'll recommit r987018 as a sequence of patches and r988722
as its own rev.

git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@990957 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/lib/erl/src/Makefile b/lib/erl/src/Makefile
index 78af14f..980af81 100644
--- a/lib/erl/src/Makefile
+++ b/lib/erl/src/Makefile
@@ -27,7 +27,6 @@
 
 MODULES = $(shell find . -name \*.erl | sed 's:^\./::' | sed 's/\.erl//')
 MODULES_STRING_LIST = $(shell find . -name \*.erl | sed 's:^\./:":' | sed 's/\.erl/",/')
-BEHAV_MODULES = $(shell find . -name \*.erl | xargs grep -l behaviour_info | sed 's:^\./::' | sed 's/\.erl//')
 
 HRL_FILES=
 INTERNAL_HRL_FILES= $(APP_NAME).hrl
@@ -44,8 +43,7 @@
 APPUP_TARGET= $(EBIN)/$(APPUP_FILE)
 
 BEAMS= $(MODULES:%=$(EBIN)/%.$(EMULATOR))
-BEHAV_BEAMS= $(BEHAV_MODULES:%=$(EBIN)/%.$(EMULATOR))
-TARGET_FILES= $(BEHAV_BEAMS) $(BEAMS) $(APP_TARGET) $(APPUP_TARGET)
+TARGET_FILES= $(BEAMS) $(APP_TARGET) $(APPUP_TARGET)
 
 WEB_TARGET=/var/yaws/www/$(APP_NAME)
 
@@ -55,8 +53,7 @@
 
 ERL_FLAGS +=
 ERL_INCLUDE = -I../include -I../../fslib/include -I../../system_status/include
-ERL_BEHAV_PATH = -pz ../ebin
-ERL_COMPILE_FLAGS += $(ERL_INCLUDE) $(ERL_BEHAV_PATH)
+ERL_COMPILE_FLAGS += $(ERL_INCLUDE)
 
 # ----------------------------------------------------
 # Targets