Bug 1094302 - Remove unused EXTRA_JS_MODULES rule from rules.mk; r=gl…

…andium

The installation rule for EXTRA_JS_MODULES and EXTRA_PP_JS_MODULES
became unused after b961ba8f0892 (bug 1044162). We remove the dead code.

config/rules.mk

@@ -1207,26 +1207,6 @@ misc:: $(call mkdir_deps,$(FINAL_TARGET))
 	$(call py_action,buildlist,$(FINAL_TARGET)/chrome.manifest $(patsubst %,'manifest components/%',$(notdir $(EXTRA_MANIFESTS))))
 endif
 
-################################################################################
-# Copy each element of EXTRA_JS_MODULES to
-# $(FINAL_TARGET)/modules.
-FINAL_JS_MODULES_PATH := $(FINAL_TARGET)/modules
-
-ifdef EXTRA_JS_MODULES
-ifndef NO_DIST_INSTALL
-EXTRA_JS_MODULES_FILES := $(EXTRA_JS_MODULES)
-EXTRA_JS_MODULES_DEST := $(FINAL_JS_MODULES_PATH)
-INSTALL_TARGETS += EXTRA_JS_MODULES
-endif
-endif
-
-ifdef EXTRA_PP_JS_MODULES
-ifndef NO_DIST_INSTALL
-EXTRA_PP_JS_MODULES_PATH := $(FINAL_JS_MODULES_PATH)
-PP_TARGETS += EXTRA_PP_JS_MODULES
-endif
-endif
-
 ################################################################################
 # SDK