gnu: Adjust users of deprecated packages.

* gnu/packages/databases.scm (apache-arrow-0.16)[inputs]: Change from
GOOGLE-BROTLI to BROTLI.
* gnu/packages/image.scm (libjxl)[propagated-inputs]: Likewise.
* gnu/packages/python-xyz.scm (python-logbook)[native-inputs]: Change from
PYTHON-GOOGLE-BROTLI to PYTHON-BROTLI.

gnu/packages/databases.scm

@@ -4390,7 +4390,7 @@ (define-public apache-arrow-0.16
              "-DARROW_BUILD_STATIC=OFF")))
     (inputs
      `(("boost" ,boost)
-       ("brotli" ,google-brotli)
+       ("brotli" ,brotli)
        ("double-conversion" ,double-conversion)
        ("snappy" ,snappy)
        ("gflags" ,gflags)

gnu/packages/image.scm

@@ -2278,7 +2278,7 @@ (define-public libjxl
            openexr))
     ;; These are in Requires.private of libjxl.pc.
     (propagated-inputs
-     (list google-brotli google-highway))
+     (list brotli google-highway))
     (home-page "https://github.com/libjxl/libjxl")
     (synopsis "JPEG XL image format reference implementation")
     (description "This package contains a reference implementation of JPEG XL

gnu/packages/python-xyz.scm

@@ -439,7 +439,7 @@ (define-public python-logbook
                (invoke "pytest" "--cov=logbook" "-r" "s" "tests")))))))
     (native-inputs
      (list python-cython python-mock python-pytest python-pytest-cov
-           python-google-brotli))
+           python-brotli))
     (home-page "https://github.com/getlogbook/logbook")
     (synopsis "Logbook is a logging replacement for Python")
     (description