CBS Makefile template cleanup.

Removed BUILD_MODE="linuxtools". There is no launch mode "linuxtools".

Added -O0 to BUILD_MODE=debug.

build/org.eclipse.cdt.make.core/templates/simple/Makefile

@@ -3,14 +3,9 @@ PROJECT_ROOT = $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
 OBJS = ${projectName}.o
 
 ifeq ($(BUILD_MODE),debug)
-	CFLAGS += -g
+	CFLAGS += -g -O0
 else ifeq ($(BUILD_MODE),run)
 	CFLAGS += -O2
-else ifeq ($(BUILD_MODE),linuxtools)
-	CFLAGS += -g -pg -fprofile-arcs -ftest-coverage
-	LDFLAGS += -pg -fprofile-arcs -ftest-coverage
-	EXTRA_CLEAN += ${projectName}.gcda ${projectName}.gcno $(PROJECT_ROOT)gmon.out
-	EXTRA_CMDS = rm -rf ${projectName}.gcda
 else
     $(error Build mode $(BUILD_MODE) not supported by this Makefile)
 endif
@@ -19,7 +14,6 @@ all:	${projectName}
 
 ${projectName}:	$(OBJS)
 	$(CXX) $(LDFLAGS) -o $@ $^
-	$(EXTRA_CMDS)
 
 %.o:	$(PROJECT_ROOT)%.cpp
 	$(CXX) -c $(CFLAGS) $(CXXFLAGS) $(CPPFLAGS) -o $@ $<
@@ -28,4 +22,4 @@ ${projectName}:	$(OBJS)
 	$(CC) -c $(CFLAGS) $(CPPFLAGS) -o $@ $<
 
 clean:
-	rm -fr ${projectName} $(OBJS) $(EXTRA_CLEAN)
+	rm -fr ${projectName} $(OBJS)