utilize odin test -all-packages instead of (make/bat) scripts for running tests

tests/benchmark/Makefile

@@ -1,14 +0,0 @@
-ODIN=../../odin
-COMMON=-no-bounds-check -vet -strict-style -define:ODIN_TEST_FANCY=false
-
-all: crypto_bench \
-     hash_bench
-
-crypto_bench:
-	$(ODIN) test crypto $(COMMON) -o:speed -out:bench_crypto
-
-hash_bench:
-	$(ODIN) test hash $(COMMON) -o:speed -out:bench_hash
-
-clean:
-	rm bench_*

tests/benchmark/all.odin

@@ -0,0 +1,4 @@
+package benchmarks
+
+@(require) import "crypto"
+@(require) import "hash"

tests/benchmark/build.bat

@@ -1,13 +0,0 @@
-@echo off
-set COMMON=-no-bounds-check -vet -strict-style -define:ODIN_TEST_FANCY=false
-set PATH_TO_ODIN==..\..\odin
-
-echo ---
-echo Running core:crypto benchmarks
-echo ---
-%PATH_TO_ODIN% test crypto %COMMON% -o:speed -out:bench_crypto.exe || exit /b
-
-echo ---
-echo Running core:hash benchmarks
-echo ---
-%PATH_TO_ODIN% test hash %COMMON% -o:speed -out:bench_hash.exe || exit /b