gnulib-tool.py: Fix most IDE warnings

[Bruno Haible]

The attached 4 patches fix most of the warnings seen in Eclipse + PyDev IDE.
Letting us concentrate on the remaining (1) warning that looks like an
actual bug.


2024-04-02  Bruno Haible  <bruno@clisp.org>

        gnulib-tool: Remove unused variables.
        * pygnulib/GLConfig.py: Remove unused variables.
        * pygnulib/GLEmiter.py: Likewise.
        * pygnulib/GLFileSystem.py: Likewise.
        * pygnulib/GLImport.py: Likewise.
        * pygnulib/GLInfo.py: Likewise.
        * pygnulib/GLModuleSystem.py: Likewise.
        * pygnulib/GLTestDir.py: Likewise.
        * pygnulib/main.py: Likewise.
        * gnulib-tool.sh (func_emit_tests_Makefile_am): Remove unused variable
        perhapsLT.

        gnulib-tool.py: Remove no-op statements.
        * pygnulib/GLConfig.py (GLConfig.update): Remove no-op statement.

        gnulib-tool.py: Remove unused imports.
        * pygnulib/GLFileSystem.py: Remove unused imports.
        * pygnulib/GLEmiter.py: Likewise.
        (GLEmiter.autoconfSnippets): Fix type assertion message.

        gnulib-tool.py: Fix some IDE warnings.
        * HACKING: Update configuration of warnings.

0001-gnulib-tool.py-Fix-some-IDE-warnings.patch
Description: Text Data

0002-gnulib-tool.py-Remove-unused-imports.patch
Description: Text Data

0003-gnulib-tool.py-Remove-no-op-statements.patch
Description: Text Data

0004-gnulib-tool-Remove-unused-variables.patch
Description: Text Data