Revert "use diamond operator where applicable"

This reverts commit 44651ea4d21a077e3fa4f61a5e507127c11427bd.

Conflicts:

	cell/src/main/java/jetbrains/jetpad/cell/CellContainer.java
	cell/src/main/java/jetbrains/jetpad/cell/event/CellEventSpec.java
	grammar/src/main/java/jetbrains/jetpad/grammar/parser/LRParserState.java
	grammar/src/main/java/jetbrains/jetpad/grammar/parser/LRParserTable.java
	grammar/src/main/java/jetbrains/jetpad/grammar/slr/SLRState.java
	grammar/src/main/java/jetbrains/jetpad/grammar/slr/SLRTableGenerator.java
	hybrid/src/main/java/jetbrains/jetpad/hybrid/HybridSynchronizer.java
	view/src/main/java/jetbrains/jetpad/projectional/view/ViewEvents.java