Disable fused_matmul_rule_sets

[titaiwangms]

From #2317.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.73%. Comparing base (2ae13be) to head (416ea87).
Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2321      +/-   ##
==========================================
- Coverage   73.76%   73.73%   -0.04%     
==========================================
  Files         239      239              
  Lines       30904    30933      +29     
  Branches     3494     3505      +11     
==========================================
+ Hits        22797    22808      +11     
- Misses       6907     6912       +5     
- Partials     1200     1213      +13     

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