Remove temporary _test_fmt directories

_test_fmt/bux.toml

@@ -1 +0,0 @@
-[Package]

_test_fmt/src/Main.bux

@@ -1,4 +0,0 @@
-module Test {
-func Fmt(a: String) -> String { return a; }
-func Fmt(a: int) -> String { return "int"; }
-}

_test_fmt2/bux.toml

@@ -1 +0,0 @@
-[Package]

_test_fmt2/src/Main.bux

@@ -1,8 +0,0 @@
-import Std::Io::{PrintLine};
-import Std::String::{String_Format1, String_FromInt};
-
-func Main() -> int {
-    let s: String = String_Format1("Hello, {0}!", "World");
-    PrintLine(s);
-    return 0;
-}

_test_fmt3/bux.toml

@@ -1 +0,0 @@
-[Package]

_test_fmt3/src/Main.bux

@@ -1,11 +0,0 @@
-import Std::Io::{PrintLine};
-import Std::Fmt;
-
-func Main() -> int {
-    PrintLine(Fmt_Fmt1("Hello, {0}!", "World"));
-    PrintLine(Fmt_FmtInt("Count: {0}", 42));
-    PrintLine(Fmt_FmtFloat("Pi: {0}", 3.14159));
-    PrintLine(Fmt_FmtBool("Active: {0}", true));
-    PrintLine(Fmt_Fmt2("Name: {0}, Age: {1}", "Bux", String_FromInt(5)));
-    return 0;
-}