Revert "Using CFLAGS_STD and CPPFLAGS_STD"

Arduino.mk

@@ -931,15 +931,8 @@ else
     $(call show_config_variable,CFLAGS_STD,[USER])
 endif
 
-ifndef CPPFLAGS_STD
-    CPPFLAGS_STD        = -std=c++0x
-    $(call show_config_variable,CPPFLAGS_STD,[DEFAULT])
-else
-    $(call show_config_variable,CPPFLAGS_STD,[USER])
-endif
-
-CFLAGS        += $(CFLAGS_STD) $(EXTRA_FLAGS) $(EXTRA_CFLAGS)
-CXXFLAGS      += -fno-exceptions $(CPPFLAGS_STD) $(EXTRA_FLAGS) $(EXTRA_CXXFLAGS)
+CFLAGS        += $(EXTRA_FLAGS) $(EXTRA_CFLAGS)
+CXXFLAGS      += -fno-exceptions $(EXTRA_FLAGS) $(EXTRA_CXXFLAGS)
 ASFLAGS       += -x assembler-with-cpp
 LDFLAGS       += -$(MCU_FLAG_NAME)=$(MCU) -Wl,--gc-sections -O$(OPTIMIZATION_LEVEL) $(EXTRA_FLAGS) $(EXTRA_CXXFLAGS) $(EXTRA_LDFLAGS)
 SIZEFLAGS     ?= --mcu=$(MCU) -C

HISTORY.md

@@ -11,7 +11,6 @@ I tried to give credit whenever possible. If I have missed anyone, kindly add it
 - Fix: Make avr-g++ use CXXFLAGS instead of CFLAGS. (https://github.com/sej7278)
 - Add: Add information about overriding system libs (Issue #229). (https://github.com/sej7278)
 - Add: Add information about reporting bugs to the correct project (Issue #231). (https://github.com/sej7278)
-- Fix: Create CPPFLAGS_STD variable and add CFLAGS_STD and CPPFLAGS_STD to CFLAGS and CXXFLAGS (http://github.com/ladislas)
 
 ### 1.3.4 (2014-07-12)
 - Tweak: Allow spaces in "Serial.begin (....)". (Issue #190) (https://github.com/pdav)

arduino-mk-vars.md

@@ -798,24 +798,6 @@ Defaults to `-std=gnu99`
 
 ----
 
-### CPPFLAGS_STD
-
-**Description:**
-
-Flags to pass to the C compiler.
-
-Defaults to `-std=c++0x`
-
-**Example:**
-
-```Makefile
-CPPFLAGS_STD = -std=gnu++14
-```
-
-**Requirement:** *Optional*
-
-----
-
 ### OVERRIDE_EXECUTABLES
 
 **Description:**