January cleanup

[melsman]

Delete obsolete files:

• Directory basis/web is from the SMLserver days and should be deleted.
• Delete basis/basis-1997.mlb and friends.

Arrange that autobuild generates a config.h.in file in src/Runtime/ instead of in src/.

Avoid that Locks.h includes ../config.h, which creates problems when Regions.h is included from binary releases that do not include header-files in the parent directory of src/Runtime.

[Copilot]

Pull request overview

This pull request performs a January cleanup by deleting obsolete files from the SMLserver days and reorganizing the build configuration to generate config.h in the correct directory.

Changes:

• Removed obsolete #include "../config.h" from src/Runtime/Locks.h to fix include path issues in binary releases
• Updated configure.ac to generate config.h.in in src/Runtime/ instead of src/
• Deleted entire basis/web directory (SMLserver-era web framework files)
• Removed obsolete basis library files (basis-1997.mlb and related 1997-standard ML files)
• Removed commented-out code and cleaned up a duplicate line in compiler sources
• Removed an obsolete file src/Common/Execution.sml

Reviewed changes

Copilot reviewed 54 out of 56 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/Runtime/Locks.h	Removed problematic include of ../config.h
configure.ac	Changed config header location from src/config.h to src/Runtime/config.h
src/Compiler/native64.mlb	Cleaned up comment placement and removed duplicate line
src/Compiler/Lambda/LambdaExp.sml	Removed commented-out code
src/Common/Execution.sml	Deleted obsolete file (entire file removed)
basis/web/*	Deleted obsolete SMLserver web framework directory
basis/basis-1997.mlb and related	Deleted obsolete 1997 ML standard basis files
basis/Makefile	Removed cleanup references to deleted web directory

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