Remove symlinks

tutorials/core/memory/o1heap/Makefile

@@ -1,5 +1,6 @@
-SOURCES = main.c mongoose.c       # Source code files
-CFLAGS = -W -Wall -Wextra -g -I.  # Build options
+REPO_ROOT ?= ../../../..
+SOURCES = main.c $(REPO_ROOT)/mongoose.c  # Source code files
+CFLAGS = -I$(REPO_ROOT) -W -Wall -Wextra -g -I.  # Build options
 
 # O(1) Heap
 SOURCES += o1heap/o1heap/o1heap.c

tutorials/core/memory/o1heap/mongoose.c

@@ -1 +0,0 @@
-../../../../mongoose.c

tutorials/core/memory/o1heap/mongoose.h

@@ -1 +0,0 @@
-../../../../mongoose.h