removed sanitizers for CI, but should change docker images rather...

practical_work/forces/Makefile

 CC=clang
-OPTS=-g -O3 -Wall -Wextra -fsanitize=address -std=c11
-LINK=-lm -fsanitize=address
+# OPTS=-g -O3 -Wall -Wextra -fsanitize=address -fsanitize=leak -std=c11
+# LINK=-lm -fsanitize=address -fsanitize=leak
+
+OPTS=-g -O3 -Wall -Wextra -std=c11
+LINK=-lm
 
 main: main.o particle.o ../vec2/util.o ../vec2/vec2.o
 	make -C ../vec2

practical_work/vec2/Makefile

 CC=clang
-OPTS=-g -O3 -Wall -Wextra
+# OPTS=-g -O3 -Wall -Wextra -fsanitize=address -fsanitize=leak -std=c11
+# LINK=-lm -fsanitize=address -fsanitize=leak
+
+OPTS=-g -O3 -Wall -Wextra -std=c11
 LINK=-lm
 
 main: main.o vec2.o util.o

practical_work/vec2/tests/Makefile

 CC=clang
-OPTS=-g -O3 -Wall -Wextra
+# OPTS=-g -O3 -Wall -Wextra -fsanitize=address -fsanitize=leak -std=c11
+# LINK=-lm -fsanitize=address -fsanitize=leak
+
+OPTS=-g -O3 -Wall -Wextra -std=c11
 LINK=-lm
 
 vec2_tests: vec2_tests.o vec2.o util.o