fix(FreeBSD): ImageMagick7-nox11 was renamed to ImageMagick7

[alxwr]

PR progress checklist (to be filled in by reviewers)

• [ ] Changes to documentation are appropriate (or tick if not required)
• [ ] Changes to tests are appropriate (or tick if not required)
• [ ] Reviews completed

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What type of PR is this?

Primary type

• [ ] [build] Changes related to the build system
• [ ] [chore] Changes to the build process or auxiliary tools and libraries such as documentation generation
• [ ] [ci] Changes to the continuous integration configuration
• [ ] [feat] A new feature
• [x] [fix] A bug fix
• [ ] [perf] A code change that improves performance
• [ ] [refactor] A code change that neither fixes a bug nor adds a feature
• [ ] [revert] A change used to revert a previous commit
• [ ] [style] Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc.)

Secondary type

• [ ] [docs] Documentation changes
• [ ] [test] Adding missing or correcting existing tests

Does this PR introduce a BREAKING CHANGE?

No.

Related issues and/or pull requests

–

Describe the changes you're proposing

ImageMagick7-nox11 was renamed to ImageMagick7 in FreeBSD's ports.

Pillar / config required to test the proposed changes

–

Debug log showing how the proposed changes work

----------                                                                                                                                 
          ID: librenms_pkgs_install                                                                                                        
    Function: pkg.installed                                                                                                                
        Name: ImageMagick7                                                                                                                 
      Result: True                                                                                                                         
     Comment: The following packages were installed/updated: ImageMagick7                                                                  
     Started: 14:02:05.282001                                                                                                              
    Duration: 14711.955 ms                                                                                                                 
     Changes:                                                                                                                              
              ----------                                                                                                                   
              ImageMagick7:                                                                                                                
                  ----------                                                                                                               
                  new:                                                                                                                     
                      7.1.0.62_6                                                                                                           
                  old:

Documentation checklist

• [ ] Updated the README (e.g. Available states).
• [ ] Updated pillar.example.

Testing checklist

• [ ] Included in Kitchen (i.e. under state_top).
• [ ] Covered by new/existing tests (e.g. InSpec, Serverspec, etc.).
• [ ] Updated the relevant test pillar.

Additional context