Removed gtkmm and cairomm from CI build scripts as these are no longer dependencies we actually use

Author: azonenberg

.github/workflows/CodeQL.yml

@@ -49,7 +49,6 @@ jobs:
           cmake \
           ninja-build \
           pkgconf \
-          libgtkmm-3.0-dev \
           libsigc++-2.0-dev \
           libyaml-cpp-dev \
           libglfw3-dev \
@@ -92,7 +91,6 @@ jobs:
         cd ~/ffts/build
         sudo ninja install
 
-
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3
@@ -120,8 +118,6 @@ jobs:
         cd build
         ninja
 
-
-
     - name: Perform CodeQL Analysis
       uses: github/codeql-action/analyze@v3
       with:

.github/workflows/build-arch.yml

@@ -45,8 +45,7 @@ jobs:
           cmake \
           make \
           pkgconf \
-          cairomm-1.16 \
-          gtkmm3 \
+          gtk3 \
           libsigc++ \
           yaml-cpp \
           catch2 \

.github/workflows/build-debian.yml

@@ -48,8 +48,7 @@ jobs:
           build-essential \
           cmake \
           pkgconf \
-          libgtkmm-3.0-dev \
-          libcairomm-1.0-dev \
+          libgtk-3.0-dev \
           libsigc++-2.0-dev \
           libyaml-cpp-dev \
           catch2 \

.github/workflows/build-ubuntu.yml

@@ -50,7 +50,7 @@ jobs:
           cmake \
           ninja-build \
           pkgconf \
-          libgtkmm-3.0-dev \
+          libgtk-3.0-dev \
           libsigc++-2.0-dev \
           libyaml-cpp-dev \
           libglfw3-dev \

doc

@@ -33,7 +33,6 @@
 /mingw64/share/licenses/graphite2/COPYING
 /mingw64/share/licenses/graphite2/LICENSE
 /mingw64/share/licenses/gtk3/COPYING
-/mingw64/share/licenses/gtkmm3/COPYING
 /mingw64/share/licenses/harfbuzz/COPYING
 /mingw64/share/licenses/headers/COPYING
 /mingw64/share/licenses/headers/COPYING.MinGW-w64-runtime.txt