classes: Drop Handled/NotHandled eventhandler keywords, they don't do anything

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

meta/classes/distrodata.bbclass

@@ -3,8 +3,6 @@ require conf/distro/include/distro_tracking_fields.inc
 
 addhandler distro_eventhandler
 python distro_eventhandler() {
-    from bb.event import Handled, NotHandled
-    # if bb.event.getName(e) == "TaskStarted":
 
     if bb.event.getName(e) == "BuildStarted":
 	"""initialize log files."""
@@ -25,7 +23,7 @@ python distro_eventhandler() {
         f.close()
         bb.utils.unlockfile(lf)
 
-    return NotHandled
+    return
 }
 
 addtask distrodata_np
@@ -213,9 +211,6 @@ do_distrodataall() {
 
 addhandler checkpkg_eventhandler
 python checkpkg_eventhandler() {
-    from bb.event import Handled, NotHandled
-    # if bb.event.getName(e) == "TaskStarted":
-
     if bb.event.getName(e) == "BuildStarted":
 	"""initialize log files."""
 	logpath = bb.data.getVar('LOG_DIR', e.data, 1)
@@ -235,7 +230,7 @@ python checkpkg_eventhandler() {
         f.close()
         bb.utils.unlockfile(lf)
 
-    return NotHandled
+    return
 }
 
 addtask checkpkg
@@ -625,9 +620,6 @@ do_checkpkgall() {
 
 #addhandler check_eventhandler
 python check_eventhandler() {
-    from bb.event import Handled, NotHandled
-    # if bb.event.getName(e) == "TaskStarted":
-
     if bb.event.getName(e) == "BuildStarted":
         import oe.distro_check as dc
         tmpdir = bb.data.getVar('TMPDIR', e.data, 1)
@@ -645,7 +637,7 @@ python check_eventhandler() {
                 os.symlink(logfile, slogfile)
                 bb.data.setVar('LOG_FILE', logfile, e.data)
 
-    return NotHandled
+    return
 }
 
 addtask distro_check

meta/classes/poky-autobuild-notifier.bbclass

@@ -48,15 +48,15 @@ def do_autobuilder_failure_report(event):
 addhandler poky_autobuilder_notifier_eventhandler
 python poky_autobuilder_notifier_eventhandler() {
     from bb import note, error, data
-    from bb.event import NotHandled, getName
+    from bb.event import getName
 
     if e.data is None:
-        return NotHandled
+        return
 
     name = getName(e)
 
     if name == "TaskFailed":
         do_autobuilder_failure_report(e)
 
-    return NotHandled
+    return
 }

meta/classes/sanity.bbclass

@@ -312,9 +312,8 @@ def check_sanity(e):
 
 addhandler check_sanity_eventhandler
 python check_sanity_eventhandler() {
-    from bb.event import Handled, NotHandled
     if bb.event.getName(e) == "ConfigParsed" and bb.data.getVar("BB_WORKERCONTEXT", e.data, True) != "1":
         check_sanity(e)
 
-    return NotHandled
+    return
 }

meta/classes/tinderclient.bbclass

@@ -367,14 +367,14 @@ def tinder_do_tinder_report(event):
 addhandler tinderclient_eventhandler
 python tinderclient_eventhandler() {
     from bb import note, error, data
-    from bb.event import NotHandled, getName
+    from bb.event import getName
 
     if e.data is None or getName(e) == "MsgNote":
-        return NotHandled
+        return
 
     do_tinder_report = data.getVar('TINDER_REPORT', e.data, True)
     if do_tinder_report and do_tinder_report == "1":
         tinder_do_tinder_report(e)
 
-    return NotHandled
+    return
 }