Update member logos (#545)

* remove member
* change TUM logo to text
* replace Cog with RR
* add instructions to create the test logo svgs

---------

Signed-off-by: b@brck.nl <b@brck.nl>

Author: bbrcknl

Foundation/Membership/LOGOS/TU-Munich-text.svg

@@ -0,0 +1,10 @@
+# Text logos
+Text logos are used in cases where associations haven't given permission for their logo to be displayed on the website. For example, TU Munich.
+
+Text logos (SVG) are generated using Inkscape with the following settings:
+- Font: Roboto
+- Font weight: Normal
+- Font size: 36
+- Fill colour: R 115; G 121; B 133; A 100
+- Stroke colour: None
+- Size: resize to content

Foundation/Membership/LOGOS/readme.md

@@ -17,13 +17,6 @@
       "logo": "apple.svg",
       "url": "https://apple.com/"
     },
-    {
-      "name": "Cog Systems Inc",
-      "logo": "Cog.jpg",
-      "url": "https://cog.systems/",
-      "founding": true,
-      "endorsed": true
-    },
     {
       "name": "DornerWorks Ltd",
       "logo": "DornerWorks.svg",
@@ -95,21 +88,21 @@
       "logo": "RISC-V.svg",
       "url": "https://riscv.org/"
     },
-    {
-      "name": "Technology Innovation Institute",
-      "logo": "TII.jpg",
-      "url": "https://www.tii.ae/"
-    },
     {
       "name": "Trusted Computing Center of Excellence™",
       "logo": "TCCoE.svg",
       "url": "https://trustedcomputingcoe.org/"
     },
       {
       "name": "TU Munich",
-      "logo": "TU-Munich.svg",
+      "logo": "TU-Munich-text.svg",
       "url": "https://www.tum.de/en"
     },
+    {
+      "name": "Riverside Research Institute",
+      "logo": "riverside-research.svg",
+      "url": "https://www.riversideresearch.org/"
+    },
     {
       "name": "University of Kansas",
       "logo": "ku-institute.svg",