Remove some unused stuff

Semantic_Analysis.jai

@@ -49,10 +49,6 @@ Typenames :: string.[
 	"half"     ,
 	"float"    ,
 	"double"   ,
-	"float2"   ,
-	"float3"   ,
-	"float4"   ,
-	"float4x4" ,
 	"sampler"  ,
 	"texture2D",
 ];
@@ -95,7 +91,6 @@ Type_Constraint_Kind :: enum {
 	Float_Literal;     // [[F]] = float
 	Equivalence;       // [[X]] = int/float
 	Equality;          // E1 == E2: [[E1]] = [[E2]] && [[E1 == E2]] = bool
-	Boolean_Condition; // while/if (E): [[E]] == bool
 	Function_Decl;     // X(X1, ..., Xn) { return E; }: [[X]] = ([[X1]], ..., [[Xn]]) -> [[E]]
 	Function_Call;     // E(E1, ..., En): [[E]] = ([[E1]], ..., [[En]]) -> [[E(E1, ..., En)]]
 }