Removes bin/format_source_patch (#2022)

This differs only trivially from bin/format_source

bin/format_source_patch

@@ -1,34 +0,0 @@
-#!/bin/bash
-#
-# Recursively format all C & C++ sources and header files, except those in the
-# 'config' directory and generated files, such as H5LTanalyze.c, etc.
-#
-# Note that any files or directories that are excluded here should also be
-# added to the 'exclude' list in .github/workflows/clang-format-check.yml
-#
-# (Remember to update both bin/format_source and bin/format_source_patch)
-
-find . \( -type d -path ./config -prune -and -not -path ./config \) \
-    -or \( \( \! \( \
-        -name H5LTanalyze.c \
-        -or -name H5LTparse.c \
-        -or -name H5LTparse.h \
-        -or -name H5Epubgen.h \
-        -or -name H5Einit.h \
-        -or -name H5Eterm.h \
-        -or -name H5Edefin.h \
-        -or -name H5version.h \
-        -or -name H5overflow.h \
-        \) \) \
-    -and \( -iname *.h -or -iname *.c -or -iname *.cpp -or -iname *.hpp -or -iname *.java \) \) \
-    | xargs clang-format -style=file -i -fallback-style=none
-
-git diff > clang_format.patch
-
-# Delete if 0 size
-if [ ! -s clang_format.patch ]
-then
-    rm clang_format.patch
-fi
-
-exit 0