build-unit-test-docker: remove span-lite

There are no uses of span-lite within the openbmc org anymore and
everyone should be using `std::span` now.  Remove it from the Docker
container.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I09ceea13678c364ecd331c243aa4476bd0cf2ee4
diff --git a/scripts/build-unit-test-docker b/scripts/build-unit-test-docker
index 641f6b4..53609a0 100755
--- a/scripts/build-unit-test-docker
+++ b/scripts/build-unit-test-docker
@@ -172,13 +172,6 @@
         rev="LibVNCServer-0.9.13",
         build_type="cmake",
     ),
-    "martinmoene/span-lite": PackageDef(
-        rev="v0.9.2",
-        build_type="cmake",
-        config_flags=[
-            "-DSPAN_LITE_OPT_BUILD_TESTS=OFF",
-        ],
-    ),
     # version from meta-openembedded/meta-oe/recipes-support/libtinyxml2/libtinyxml2_8.0.0.bb
     "leethomason/tinyxml2": PackageDef(
         rev="8.0.0",
@@ -288,7 +281,7 @@
         ],
     ),
     "openbmc/stdplus": PackageDef(
-        depends=["fmtlib/fmt", "martinmoene/span-lite"],
+        depends=["fmtlib/fmt"],
         build_type="meson",
         config_flags=[
             "-Dexamples=false",