build: Remove explict -lstdc++-psram-workaround

This is now handled internally to the toolchain.

components/esp32/Makefile.projbuild

@@ -36,8 +36,5 @@ endif # CONFIG_ESP32_PHY_INIT_DATA_IN_PARTITION
 ifdef CONFIG_SPIRAM_CACHE_WORKAROUND
 CFLAGS+=-mfix-esp32-psram-cache-issue
 CXXFLAGS+=-mfix-esp32-psram-cache-issue
-#Filter out the standard libstdc++ linkage. The component.mk will add a specific 
-#cache-workaround-enabled version.
-LDFLAGS:=$(filter-out -lstdc++,$(LDFLAGS))
 endif
 

components/esp32/component.mk

@@ -38,11 +38,6 @@ COMPONENT_ADD_LDFLAGS += $(COMPONENT_PATH)/libhal.a \
                          -u ld_include_panic_highint_hdl \
                          $(addprefix -T ,$(LINKER_SCRIPTS))
 
-#The cache workaround also needs a c++ standard library recompiled with the workaround.
-ifdef CONFIG_SPIRAM_CACHE_WORKAROUND
-COMPONENT_ADD_LDFLAGS += $(COMPONENT_PATH)/libstdc++-psram-workaround.a
-endif
-
 ALL_LIB_FILES := $(patsubst %,$(COMPONENT_PATH)/lib/lib%.a,$(LIBS))
 
 COMPONENT_SUBMODULES += lib