remove unused Gradle auto-download

(auto-submit 116653 after successfully running remote remote.full)
Job ID: job.9.20250529165346.31822
(auto-submit integ 116655 main -> coherence-ce/main after successfully running remote remote.full)
Job ID: job.9.20251007201609.4313
(auto-submit integ 118676 coherence-ce/main -> coherence-ce/release/coherence-ce-v15.1.1.0 after successfully running remote remote.full)
Job ID: job.9.20251008081608.3333

[git-p4: depot-paths = "//dev/coherence-ce/release/coherence-ce-v15.1.1.0/": change = 118678]

Author: fryp

bin/cfglinux.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #
-# Copyright (c) 2000, 2023, Oracle and/or its affiliates.
+# Copyright (c) 2000, 2025, Oracle and/or its affiliates.
 #
 # Licensed under the Universal Permissive License v 1.0 as shown at
 # https://oss.oracle.com/licenses/upl.
@@ -50,7 +50,6 @@ cd - &>/dev/null
 
 if [ -f $SCRIPTS_DIR/../tools/internal/bin/cfglinux.sh ]; then
   source $SCRIPTS_DIR/../tools/internal/bin/cfglinux.sh
-  ensure_gradle
 fi
 
 source $SCRIPTS_DIR/cfgcommon.sh

bin/cfgwindows.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #
-# Copyright (c) 2000, 2023, Oracle and/or its affiliates.
+# Copyright (c) 2000, 2025, Oracle and/or its affiliates.
 #
 # Licensed under the Universal Permissive License v 1.0 as shown at
 # https://oss.oracle.com/licenses/upl.
@@ -68,7 +68,6 @@ cd - &>/dev/null
 
 if [ -f $SCRIPTS_DIR/../tools/internal/bin/cfgwindows.sh ]; then
   source $SCRIPTS_DIR/../tools/internal/bin/cfgwindows.sh
-  ensure_gradle
 fi
 
 source $SCRIPTS_DIR/cfgcommon.sh