Fix Makefiles

Makefile.emscripten.mk

@@ -1,11 +1,10 @@
 CC       := emcc
 AR       := emar
 LAUNCHER := emrun --port 8080
-RM       := del
+RM       := del /Q /S
 MKDIR    := mkdir
 ECHO     := echo
-VERBOSE_BUILD := true
-SLASH    := \\
+VERBOSE_BUILD := false
 
 LIBS    := 
 CFLAGS  := -s FULL_ES2=1 -s ASM_JS=1 -O1 -Wno-implicit-function-declaration -DEMSCRIPTEN
@@ -17,7 +16,6 @@ BUILDDIR    := build-emscripten
 ifeq ($(target),release)
 	CFLAGS   := $(CFLAGS) -O2
 	BUILDDIR := build-emscripten-release
-	LDFLAGS  := --preload-file data -s TOTAL_MEMORY=134217728 --emrun
 endif
 
 include Makefile.common.mk