Remove testing apps since CI will generate them now #67

Job	Run time
Pre-commit checks / Pre-commit Checks	23s
Build apps (3.10, pyside6) / Verify App Build	3m 8s
Build apps (3.10, toga) / Verify App Build	1m 53s
Build apps (3.10, ppb) / Verify App Build	1m 45s
Build apps (3.10, pygame) / Verify App Build	2m 7s
Build apps (3.11, ppb) / Verify App Build	1m 36s
Build apps (3.11, pygame) / Verify App Build	2m 15s
Build apps (3.11, pyside6) / Verify App Build	3m 48s
Build apps (3.11, toga) / Verify App Build	2m 11s
Build apps (3.12, ppb) / Verify App Build	3m 4s
Build apps (3.12, pygame) / Verify App Build	2m 33s
Build apps (3.12, pyside6) / Verify App Build	3m 6s
Build apps (3.12, toga) / Verify App Build	2m 23s
Build apps (3.8, ppb) / Verify App Build	2m 1s
Build apps (3.8, pygame) / Verify App Build	1m 54s
Build apps (3.8, pyside6) / Verify App Build	3m 12s
Build apps (3.8, toga) / Verify App Build	1m 29s
Build apps (3.9, ppb) / Verify App Build	1m 47s
Build apps (3.9, pygame) / Verify App Build	2m 0s
Build apps (3.9, pyside6) / Verify App Build	5m 46s
Build apps (3.9, toga) / Verify App Build	3m 42s
	52m 3s

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