GH-48186: [CI][Dev] Remove ci/scripts/util_wait_for_it.sh (#48189)

### Rationale for this change

`integration_hiveserver2.sh` used `ci/scripts/util_wait_for_it.sh`
`integration_hiveserver2.sh` was removed in the 207d328

No file use `ci/scripts/util_wait_for_it.sh`. 

### What changes are included in this PR?

Remove  the `ci/scripts/util_wait_for_it.sh` file and LICENSE Message.

### Are these changes tested?

Yes.

### Are there any user-facing changes?

No.

* GitHub Issue: #48186

Authored-by: Hiroyuki Sato <[email protected]>
Signed-off-by: Raúl Cumplido <[email protected]>

Author: hiroyuki-sato

LICENSE.txt

@@ -455,30 +455,6 @@ limitations under the License.
 
 --------------------------------------------------------------------------------
 
-The script ci/scripts/util_wait_for_it.sh has the following license
-
-Copyright (c) 2016 Giles Hall
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-of the Software, and to permit persons to whom the Software is furnished to do
-so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-
---------------------------------------------------------------------------------
-
 The script r/configure has the following license (MIT)
 
 Copyright (c) 2017, Jeroen Ooms and Jim Hester