Task Clean up root color schema

[Piotr-K8i]

Changes in this Pull Request:

• Remove unnecessary colors

Mandatory checks:

• [x] Branch is up to date (latest changes were fetched from the upstream branch before creating this PR)
• [ ] Changes were tested manually
• [ ] Java code changes are unit tested
• [ ] Webtests are successful

To be checked by the reviewer:

• [ ] Clean Java code and unit tested changes
• [ ] UI customizablity is preserved: No hard-coded styling and URL references in JSF views

To be checked by the pull request owner:

• [ ] .MASTER/job/BES_MASTER_IT/
• [ ] .MASTER/job/OSCM_WS_Tests_INTERNAL/
• [ ] .MASTER/job/OSCM_WS_Tests_OIDC/
• [ ] .MASTER/job/OSCM_Integration_Tests_INTERNAL/
• [ ] .MASTER/job/OSCM_Integration_Tests_OIDC/

Cross repository and core changes:

• [ ] Interdependent changes have been communicated to the team (if applicable)
• [ ] This pull request includes high risk modifications or core changes (e.g API, datamodel, authentication...). Mandatory reviewers: @goebell or @kowalczyka.

OSCM Build References:

• <CI node number>: <tag>, example: ci10:goebell

Screenshot (if applicable):

• add a screenshot illustrating your change

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This change is 

[farmakiG]

---

oscm-portal/WebContent/marketplace/scss/components/_tables.scss, line 7 at r1 (raw file):

  margin: 0;
  text-align: left;
  background: var(--oscm-table-bg-color);

Here you have --oscm-table-bg-color and then you have --oscm-table-background-color.

[farmakiG]

---

oscm-portal/WebContent/marketplace/scss/components/_tables.scss, line 288 at r1 (raw file):

.rf-dt {
   border: none !important;
   background-color: var(--oscm-table-background-color) !important;

Here you have --oscm-table-background-color.

[Piotr-K8i]

There are different values for background and background-color, were used to override Richfaces values: --oscm-table-bg-color: hsla(var(--oscm-main), 0.8); --oscm-table-background-color: hsla(var(--oscm-main), 0.1);