Remove current memory usage from run details view

[berland]

Also adds the string 'realization' to the displayed string to remind that this is not about the usage of the Ert mother process.

Current memory usage quickly becomes a very random uninteresting number when realization eventually get staggered in time. Maximum is the only thing that really matters.

Issue Resolves #my_issue

Approach Short description of the approach

(Screenshot of new behavior in GUI if applicable)

• [x] PR title captures the intent of the changes, and is fitting for release notes.
• [x] Added appropriate release note label
• [x] Commit history is consistent and clean, in line with the contribution guidelines.
• [x] Make sure tests pass locally (after every commit!)

When applicable

• [ ] When there are user facing changes: Updated documentation
• [ ] New behavior or changes to existing untested code: Ensured that unit tests are added (See Ground Rules).
• [ ] Large PR: Prepare changes in small commits for more convenient review
• [ ] Bug fix: Add regression test for the bug
• [ ] Bug fix: Create Backport PR to latest release

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.01%. Comparing base (97f6b40) to head (f1af409).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #8103 +/- ## ========================================== - Coverage 86.03% 86.01% -0.03% ========================================== Files 382 382 Lines 23706 23705 -1 Branches 618 634 +16 ========================================== - Hits 20395 20389 -6 - Misses 3230 3243 +13 + Partials 81 73 -8 ```

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