Remove release note from this PR

Author: AmrDeveloper

llvm/docs/ReleaseNotes.md

@@ -130,9 +130,6 @@ Changes to the Debug Info
 Changes to the LLVM tools
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-- llvm-objcopy now prints the correct file path in the error message when
-the output file specified by --dump-section cannot be opened.
-
 Changes to LLDB
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