unpin mkl in dependencies (#39114)

mkl was pinned a while ago to avoid unit test failures.
It seems that this is no longer required.

---------

Co-authored-by: Tom Hampson <thomas.hampson@stfc.ac.uk>

Author: yusufjimoh

conda/recipes/conda_build_config.yaml

@@ -55,10 +55,6 @@ jsoncpp:
 libglu:
   - '>=9.0'
 
-# Not a primary dependency, but pinning to avoid a couple of unit test failures
-mkl:
-  - 2024.1.0
-
 muparser:
   - '>=2.3.2'
 

conda/recipes/mantid-developer/meta.yaml

@@ -26,7 +26,6 @@ requirements:
     - libopenblas {{ libopenblas }} # [osx or linux]
     - librdkafka {{ librdkafka }}
     - matplotlib {{ matplotlib }}
-    - mkl {{ mkl }} # [win]
     - muparser {{ muparser }}
     - ninja {{ ninja }}
     - numpy>=2.0,<2.2 # This is intentionally different to conda_build_config.yaml, will address later.

conda/recipes/mantid/meta.yaml

@@ -44,7 +44,6 @@ requirements:
     - libopenblas {{ libopenblas }}  # [osx or linux]
     - librdkafka {{ librdkafka }}
     - lib3mf  # [win]
-    - mkl {{ mkl }} # [win]
     - muparser {{ muparser }}
     - numpy {{ numpy }}
     - occt {{ occt }}
@@ -63,7 +62,6 @@ requirements:
     - {{ pin_compatible("hdf5", max_pin="x.x") }}
     - jemalloc {{ jemalloc }}  # [osx or linux]
     - lib3mf  # [win]
-    - mkl {{ mkl }} # [win]
     - {{ pin_compatible("numpy", upper_bound="2.2") }}
     - occt {{ occt }}
     - pycifrw