use updated labs jdk

Author: ahgamut

scripts/build-envmap-example.bash

@@ -59,7 +59,6 @@ main () {
         -march=compatibility \
         --static \
         EnvMap \
-        -H:-CheckToolchain \
         -H:CCompilerPath="$COSMOCC_BIN/$ARCH-unknown-cosmo-cc" \
         -H:CLibraryPath="$LABS_LIBDIR" \
         -H:PatchableFunctionEntry="$PFE_OPT"\

scripts/build-google-java-format.bash

@@ -56,7 +56,6 @@ main () {
         -jar google-java-format.jar \
         -Os \
         --libc=cosmo \
-        -H:-CheckToolchain \
         -march=compatibility \
         -H:+UnlockExperimentalVMOptions\
         -H:IncludeResourceBundles=com.sun.tools.javac.resources.compiler\

scripts/patch-labs-jdk.bash

@@ -20,7 +20,7 @@ main () {
     cd "$BASELOC/testing"
     rm -rf labs-openjdk
 
-    git clone --depth=1 --branch 'cosmo-25.0.2' https://github.com/elide-dev/labs-openjdk
+    git clone --depth=1 --branch 'cosmo' https://github.com/elide-dev/labs-openjdk
     cd labs-openjdk
 
     cd "$BASELOC"